To define is to limit.

Sustainability is not an option; it’s a responsibility.

心理过程因其目的而存在。

The pain of discipline is better than the pain of regret.

Great engineering is invisible—it just works seamlessly.

技术可以改变世界，但价值观才能决定改变的方向。

The mind is a workshop for constructing survival strategies.

The best mathematics is that which you do not understand at first glance.

If you can't explain your chemistry to a non-scientist, you don't understand it well enough.

这不是钱的问题，而是让事情发生的能力。