I like the dreams of the future better than the history of the past.

Do you not see how necessary a world of pains and troubles is to school an intelligence and make it a soul?

The true journey is not about seeing new landscapes, but about having new eyes.

创造性力量很容易变成破坏性力量。这只取决于人们的道德人格：是用此力量做好事或做坏事。如果人们缺乏这种道德人格，则没有一种说教能够提供它或取而代之。

质量不是选择；它是要求。

为伟大的事业捐躯，从来就不能算作是失败。