今天对自由民主最严重的威胁不是来自外部，而是来自内部。

Natural selection is the only known natural process that can build functional complexity.

The future belongs to those who believe in the beauty of their dreams.

每一个现有情境都有变得更好的潜力

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

Three things you need: The ability to not give up something till it works， the ability to give up something that does not work， and the trust in other people to help you distinguish between the two.

"In the end, we are all alone, and that is the most terrifying truth of all."

好的烘焙秘诀是保持简单。