如果剑很短而笔很锋利，那么笔就比剑更有力量。

爱情里面要是搀杂了和它本身无关的算计，那就不是真的爱情。

我热爱进步的过程。

我们必须在经济增长和环境责任之间取得平衡——它们并不是相互排斥的。

Time is dead as long as it is being clicked off by little wheels; only when the clock stops does time come to life.

If you want to go fast, go alone. If you want to go far, go together.

The only way to do great work is to love what you do.

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.