你唯一应该回头看的时候是看你已经走了多远。

真相很少纯粹，也绝不简单。

The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.

Power is not something that can be learned in a day. It is a process, a strategic game that requires constant attention and adaptation.

在科学推断中，我们应该尽可能追求客观的方法。

我们对儿童所做的一切，都会开花结果，不仅影响他一生，也决定他一生。