Quotes I like (all from civ iv):

Fishing: "Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime." - Lao Tzu

The Wheel: "Put your shoulder to the wheel." - Aesop

Agriculture: "Oh farmers, pray that your summers be wet and your winters clear." - Virgil

Hunting: "If you chase two rabbits, you will lose them both." - Native American Saying

Mysticism: "Nature herself has imprinted on the minds of all the idea of God." - Cicero

Sailing: "You can't direct the wind, but you can adjust your sails." - Unknown

Mining: "The man who moves a mountain begins by carrying away small stones." - Confucius

Pottery: "Hath not the potter power over the clay, to make one vessel unto honor, and another unto dishonor?" - The Bible, Romans

Animal Husbandry: "Blessed shall be the fruit of thy cattle, the increase of thy kine, and the flocks of thy sheep." - The Bible, Deut. 28:4

Archery: "Do not throw the arrow which will return against you." - Kurdish Proverb

Meditation: "Meditation brings wisdom; lack of meditation leaves ignorance. Know well what leads you forward and what holds you back." - The Buddha

Polytheism: "Not at all similar are the race of the immortal gods and the race of men who walk upon the earth." - Homer

Masonry: "It is from their foes, not their friends, that cities learn the lesson of building high walls." - Aristophanes

Horseback Riding: "If you speak the truth, have a foot in the stirrup." - Turkish Proverb

Priesthood: "The Lord bless you and keep you; the Lord make His face to shine upon you and be gracious to you; the Lord lift up His countenance upon you and give you peace." - The Bible, Numbers

Monotheism: "I am the Lord thy God. Thou shalt have no other gods before Me." - The Bible, Exodus

Bronze Working: "It is entirely seemly for a young man killed in battle to lie mangled by the bronze spear. In his death all things appear fair." - Homer

Writing: "True glory consists in doing what deserves to be written; in writing what deserves to be read." - Pliny the Elder

Metal Casting: "And them that take the sword shall perish by the sword." - The Bible, Matthew

Ironworking: "You should hammer your iron when it is glowing hot." - Publius Syrus

Alphabet: "Words have the power to both destroy and heal. When words are both true and kind, they can change our world." - The Buddha

Mathematics: "If in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge in mathematics." - Roger Bacon

Monarchy: "A multitude of rulers is not a good thing. Let there be one ruler, one king." - Herodotus (Although, this sentence can be found at Homer's Iliad [book 2,vs 198-206], in a speech from Ulysses)

Compass: "The wisest men follow their own direction." - Euripides

Literature: "Some books are to be tasted, others to be swallowed, and some few to be chewed and digested." - Sir Francis Bacon

Calendar: "For everything there is a season and a time for every purpose under heaven." - Ecclesiastes

Construction: "And on the pedestal these words appear: 'My name is Ozymandias, king of kings: Look on my works, ye Mighty, and despair! Nothing beside remains." - Percy Bysshe Shelley (The narration ends with the word "despair")

Currency: "Everything is worth what its purchaser will pay for it." - Publius Syrus

Machinery: "A god from the machine" - Menander

Drama: "All the world's a stage, And all the men and women merely players. They have their exits and their entrances; And one man in his time plays many parts. " - William Shakespeare

Engineering: "A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away." - Antoine de Saint-Exupery

Code of laws: "To bring about the rule of righteousness in the land, so that the strong should not harm the weak." - Hammurabi's Code; Prologue

Feudalism: "I will to my lord be true and faithful, and love all which he loves and shun all which he shuns." - Anglo-Saxon Oath of Fealty

Optics: "One doesn't discover new lands without losing sight of the shore." - Andre Gide

Music: "If music be the food of love, play on." - William Shakespeare

Philosophy: "I have gained this by philosophy: that I do without being commanded what others do only from fear of the law." - Aristotle

Civil service: "The bureaucracy is expanding to meet the needs of the expanding bureaucracy" - Unknown The quote comes from Oscar Wilde and goes like this “Bureaucracy expands to meet the needs of the expanding bureaucracy.”

Theology: "Two cities have been formed by two loves: the earthly by the love of self; the heavenly by the love of God." - St. Augustine

Guilds: "People of the same trade seldom meet together, even for merriment and diversion, but the conversation ends in a conspiracy against the public." - Adam Smith

Divine right: "I am the state." - Louis XIV

Paper: "I cannot live without books" - Thomas Jefferson

Banking: "Banking establishments are more dangerous than standing armies." - Thomas Jefferson

Nationalism: "A man does not have himself killed for a half-pence a day or for a petty distinction. You must speak to the soul in order to electrify him." - Napoleon Bonaparte

Printing press: "What gunpowder did for war, the printing press has done for the mind." - Wendell Phillips

Education: "There is no wealth like knowledge, no poverty like ignorance." - Ali ibn Abi Talib

Military tradition: "Victorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win." - Sun-Tzu

Constitution: "No freeman shall be taken, imprisoned, or in any other way destroyed, except by the lawful judgment of his peers." - The Magna Carta]

Replaceable Parts: "The whole is more than the sum of its parts." - Aristotle

Liberalism: "Any society that would give up a little liberty to gain a little security will deserve neither and lose both." - Benjamin Franklin (paraphrased)

Economics: "Compound interest is the most powerful force in the universe." - Albert Einstein

Gunpowder: "You can get more of what you want with a kind word and a gun than you can with just a kind word." - Al Capone

Democracy: "it has been said that democracy is the worst form of government except all the others that have been tried." - Winston Churchill

Rifling: "Political power grows out of the barrel of a gun." - Mao Zedong

Astronomy: "Astronomy compels the soul to look upwards and leads us from this world to another." - Plato

Corporation: "Corporation, n. An ingenious device for obtaining individual profit without individual responsibility." - Ambrose Bierce

Chemistry: "Chemistry means the difference between poverty and starvation and the abundant life." - Robert Brent

Steam Power: "You would make a ship sail against the winds and currents by lighting a bon-fire under her deck? I have no time for such nonsense." - Napoleon, on Robert Fulton's Steamship

Scientific method: "I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use." - Galileo Galilei

Steel: "Before that steam drill shall beat me down, I'll die with my hammer in my hand." - from "John Henry, the Steel-Driving Man"

Assembly Line: "People can have the Model T in any color - so long as it's black." - Henry Ford

Communism: "When I give food to the poor, they call me a saint. When I ask why the poor have no food, they call me a communist." - Dom Helder Camara

Physics: "To every action there is always opposed and equal reaction." - Isaac Newton

Biology: "It is not the strongest of the species that survive, but the one most responsive to change." - Charles Darwin

Railroad: "I fooled you, I fooled you, I got pig iron, I got pig iron, I got all pig iron." - Lonnie Donegan, "Rock Island Line"

Flight: "For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return." - Leonardo Da Vinci

Artillery: "Artillery adds dignity to what would otherwise be a vulgar brawl." - Frederick the Great

Fascism: "The great masses of the people... Will more easily fall victims to a big lie than to a small one." - Adolf Hitler (Misatributted)

Electricity: "We will make electricity so cheap that only the rich will burn candles." - Thomas Edison

Medicine: "As to diseases make a habit of two things - to help, or at least, to do no harm." - Hippocrates

Combustion: "Everything in life is somewhere else, and you get there in a car." - E. B. White

Rocketry: "The Earth is the cradle of the mind, but one cannot eternally live in a cradle." - Konstantin E. Tsiolkovsky

Industrialism: "There is one rule for the industrialist and that is: Make the best quality of goods possible at the lowest cost possible, paying the highest wages possible." - Henry Ford

Fission: If the radiance of a thousand suns were to burst at once into the sky, that would be like the splendor of the Mighty One... I am become Death, the Shatterer of Worlds. - J. Robert Oppenheimer, quoting "The Bhagavad Gita"

Refrigeration: "Tell me what you eat, and I will tell you what you are." - Anthelme Brillat-Savarin

Radio: "Then one fine mornin' she puts on a New York station. You know her life was saved by Rock 'n' Roll." - The Velvet Underground, "Rock And Roll" (lines missing between them)

Satellites: "Beep...beep...beep...beep..." - Sputnik I

Plastics: "I just want to say one word to you. Just one word: plastics." - Calder Willingham, The Graduate

Computers: "Never trust a computer you can't throw out a window." - Steve Wozniak

Mass media: "The only thing worse than being talked about is not being talked about." - Oscar Wilde

Composites: "The whole is greater than the sum of its parts." - Aristotle

Fiber Optics: "There is a single light of science, and to brighten it anywhere is to brighten it everywhere." - Isaac Asimov

Ecology: "We do not inherit the earth from our ancestors, we borrow it from our children" - Native American Song

Genetics: "Soon it will be a sin for parents to have a child which carries the heavy burden of genetic disease." - Bob Edwards

Robotics: "The real problem is not whether machines think, but whether men do." - B. F. Skinner

Fusion: "Any sufficiently advanced technology is indistinguishable from magic." - Arthur C. Clarke

Future tech: "The future will be better tomorrow." - Dan Quayle