历史的重量是无法承受的，但我们必须承担它。

真正的革命者是被伟大的爱所引导的。

你无法让聪明的人只为了钱而特别努力地工作。

文学是对人类境况的探索。

Sustainability is not an add-on, it's a way of thinking.

The best way to create interest in a subject is to render it worth knowing, which means to make the knowledge usable.

需要教会男孩，真正的力量不是支配，而是正直和善良。

The goal of mathematics is to understand the patterns of the universe.