我是一个斗士，我用消极情绪来激发内心的斗志。

艺术家必须是他所处时代的见证者。

The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.

Success is not final, failure is not fatal: It is the courage to continue that counts.

The most credible empirical research often comes from studies that have a clear and transparent design, where the assumptions are laid out for everyone to see.

写作是一种自由的行为，但也是一种责任。