Economic history teaches us that change is possible, but it is rarely easy.

物理学的美丽在于它能够用简单的原理解释复杂的事物。

The only thing that is truly yours is your dreams.

If you can't explain it simply, you don't understand it well enough.

科学的力量在于它的普遍性和无私性，它超越了国界和文化的限制。

世界上的事情，最忌讳的就是个十全十美，你看那天上的月亮，一旦圆满了，马上就要亏厌；树上的果子，一旦熟透了，马上就要坠落。凡事总要稍留欠缺，才能持恒。