Risk comes from not knowing what you're doing.

我们写的每一个方程都是理解宇宙的一小步，但旅程是无限的。

I never write Metropolis for seven cents because I can get the same price for city. I never write policeman because I can get the same money for cop.

我们必须像投资技术一样投资于人；两者对进步都至关重要。

我从不回头看，我向前看。