Every mental state exists for a purpose; to understand it, we must ask what function it serves in the broader system of behavior.
每种心理状态都有其存在的目的；要理解它，我们必须询问它在更广泛的行为系统中发挥什么功能。
Innovation is not just about creating something new, but about making what exists better.
我们越理解个别事物，我们就越理解上帝。
The best way to predict the future is to create it.
The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.
