The only sensible ends of literature are, first, the pleasurable toil of writing; second, the gratification of one's family and friends; and lastly, the solid cash.

It's not about how hard you hit. It's about how hard you can get hit and keep moving forward.

We perceive the world in terms of its utility for our survival.

We often think of poverty as a lack of money, but it’s also a lack of information and opportunities.

We must remember the past in order to better face the future.

整个科学不过是对日常思维的提炼。