最黑暗的角色往往是那些最能揭示人性本质的角色。
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
The idea of revolution is an adolescent fantasy.
Success is measured not just by profits, but by the positive impact we have on the world.
"And this I believe: that the free, exploring mind of the individual human is the most valuable thing in the world. And this I would fight for: the freedom of the mind to take any direction it wishes, undirected."