To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing.

The idea that we will make a society where literally everybody is graded, the good at the top, bad at the bottom, exactly done as it should be, is impossible. There are simply too many random factors: accidents, accidents of birth, accidents of things dropping on people's heads, illnesses, etc. We will never get to grade them, never get to grade people as they should.

自由不是恩赐，而是必须争取的权利。

The invention of the cotton gin was the result of necessity and observation.

Man muss die Dinge so nehmen, wie sie kommen, aber man sollte dafür sorgen, dass sie so kommen, wie man sie nehmen möchte.

你无法管理你无法衡量的东西。

最优秀的企业不仅仅是适应变化，而是推动变化。