在资本主义社会中，经济进步意味着动荡。

Welcome, O life! I go to encounter for the millionth time the reality of experience and to forge in the smithy of my soul the uncreated conscience of my race.

和一个人玩一个小时对他的了解，胜过于一年的对谈。

The main thing in life is not to stop questioning. Curiosity has its own reason for existing.

我认为质数就像生活。它们非常合乎逻辑，但你永远无法弄清楚其中的规则，即使你花所有时间去思考它们。

We must balance short-term commercial realities with long-term environmental responsibilities.

自由的目的是为了解放他人。