I have been a selfish being all my life, in practice, though not in principle.
我一生都是一个自私的人，虽然原则上并非如此，但行动上却是。
The most important single central fact about a free market is that no exchange takes place unless both parties benefit.
The study of intelligence must be grounded in the study of symbol systems.
人生就是走自己选择的路。
Art is not an escape from reality, but a deeper engagement with it.
We are all just passing through, leaving only shadows behind.