数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
旅行对偏见、固执和狭隘是致命的。
There is a kind of beauty in imperfection.
Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.
The words we use to describe the world are the world.
The only limits that exist are the ones in your mind.
有了图书馆，你是自由的，不受暂时政治气候的限制。它是最民主的机构，因为没有人——绝对没有人——能告诉你该读什么、什么时候读以及如何读。
跨国合作对于解决全球粮食挑战至关重要。