Great leaders are willing to make the tough decisions that others avoid.

You cannot always control what goes on outside, but you can always control what goes on inside.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

与孟子不同，荀子主张“性恶”，认为人性本恶。因而更强调人为的作用，通过后天的人为的努力才能达到“善”。没有本性那么人为的努力就不能对症下药，没有人为的努力，本性就不能改善。所以主张“性伪合”，天生的本性和后天的努力对人都有重要影响，而后天的努力更为重要，它是我们能够自己掌控的，“学不可以已”的意义就更大。

我不追求流行，我只追求经典。

建筑应该是安静的，但不是沉默的。

Money is concerned only with what is common to all: it asks for the exchange value, it reduces all quality and individuality to the question: How much?