Ted Eckles[speaking of time travel tourism]: It is awfully expensive.
Christian Middleton: What's the point of being rich if you don't buy things other people can't afford?
Travis Ryer: We cannot have accidents.
Payne: While I was a physics major in college, we studied something called the Heisenberguncertainty principle. It proves that there is no such thing as zero tolerance. It doesn't exist. You basically can't be 100% sure of anything no matter how hard you try. Accidents... happen.