Psychological concepts must prove their worth in action.

革命是被压迫和被剥削者的节日。

Legal rules are not self-executing; they require human agency to be effective.

我试图购买出色到傻子都可以经营的公司的股票，因为，迟早都会有个傻子来经营的。

少数民族文化的真正美不在于其异国情调，而在于其韧性和真实性。