If you’re not moving forward, you’re falling behind.

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 to be obeyed.

追求真理需要相当大的努力，这就是为什么只有很少人愿意出于对知识的热爱而去追求真理，尽管上帝在人的心灵中植入了对这种知识的自然渴望。

Every artwork is an experiment.

倘使让我来决定，我们应该是有一个政府而不要报纸，还是应该有报纸而不要政府，我会毫不犹豫选择后者。