To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

The most effective way to destroy people is to deny and obliterate their own understanding of their history.

建筑不是关于风格，而是关于实质。

Knowledge is the highest wealth of humanity, and sharing knowledge is the greatest generosity.

The only real progress lies in learning to be wrong all alone.

The United States has no permanent enemies, no permanent friends, only permanent interests.

使用，而不要滥用...节制和过度都不会使人快乐。