预测未来的最好方法就是自己去创造它。
Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.
不平等并非不可避免。它是我们通过所追求的政策做出的选择。
解释:人有知识,犹如树木有枝叶,树木有了枝叶,能带给人阴凉,人有了知识,就可以为人民做更多的事。
世界是一个残酷的地方,艺术是它的复仇。