We must balance the need for energy today with the imperative of protecting the planet for tomorrow.

要真正掌握量子力学的本质，必须接受那些挑战我们经典直觉的悖论。

The greatest enemy of a good plan is the dream of a perfect plan.

译文：历经千古的江山依旧存在，却再也找不到像孙权那样的英雄人物了。

释义：人依赖衣食，就像鱼依赖水；国家依赖人民，就像人依赖双脚。鱼没水活不了，人没脚则寸步难行。

Sometimes I just feel like quitting, but then I think about all the people I’d be letting down.