The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

In the short run, the market is a voting machine but in the long run, it is a weighing machine.

社会学的想象力使我们能够把握历史和传记以及两者在社会中的关系。

唱歌不在于完美，而在于情感和联系。