All are gurus to us, the wicked by their evil deeds say 'do not come near me'. The good are always good, therefore all are like gurus to us.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

拥有自由、书、花和月亮，哪个人会不快乐?

真相并不总是美丽的，美丽的言辞也不总是真相。

避税是唯一有回报的智力追求。

Coal’s future depends on our ability to make it cleaner and more efficient.

Be civil to all; sociable to many; familiar with few; friend to one; enemy to none.

诗人的灵魂就像一面镜子，映照出世界的美。