- He that wrestles with us strengthens our nerves, and sharpens our skill. Our antagonist is our helper.
- Edmund Burke (1729-1797), Reflections on the Revolution in France.
- The Duty of an Opposition is to oppose.
- Randolph Churchill, reported in Hoyt's New Cyclopedia Of Practical Quotations (1922)
- No government can be long secure without a formidable opposition.
- Benjamin Disraeli, Coningsby, Bk. II, ch i.