花开时可以折取就要及时折取,不要等到花谢了只能折取空枝。
因果推理的力量在于它允许我们预测我们从未采取的行动的效果。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
我不害怕跌倒,我害怕对跌倒的恐惧。
The interplay between pure and applied mathematics is where true innovation happens.