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.
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 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。