The most powerful art is often the most humble.

When you're depressed, It always helps to lean your head on your arm. Arms like to feel useful.

真正的领导力意味着与团队并肩工作。

In business, as in quarrying, precision and patience yield the best results.

We need to think with a global perspective and act with local solutions.

数学的力量在于它的抽象性，使我们能够看到不立即显现的模式和联系。

最好的儿童书籍是那些尊重孩子智力的书籍。

活在我们留下的心中，就不是死亡。