The only limit to our realization of tomorrow will be our doubts of today.
实现明天的唯一限制将是我们今天的疑虑。
The most sustainable product is the one that lasts the longest.
The art of life is to live in the present moment, and to make that moment as perfect as we can.
To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
The causal model is the key to making sense of the world.
理论物理学实际上是哲学。
每个故事都是一段旅程，而每段旅程都会改变讲故事的人。
权力不仅仅是你自己能做什么，而是你能让别人做什么。