Policy should be based on evidence, not ideology.

The market is a very efficient mechanism for transferring wealth from the impatient to the patient.

A wise man said， “Before you speak， let your words pass through three gates. At the first gate， ask yourself， “Is it true？” At the second gate ask， “Is it necessary？” At the third gate ask， “Is it kind？”

要理解宇宙，我们必须首先理解自己。