"You don't get to choose if you get hurt in this world, but you do have some say in who hurts you."
Sometimes, the hardest thing and the right thing are the same.
In mathematics, you don't understand things. You just get used to them.
模型的唯一真正检验是其预测未来的能力,而未来总是不确定的。
我们开采的资源必须与我们为社会创造的价值相匹配。
You can't have a better tomorrow if you're still thinking about yesterday.