The evening is the time of day when the light is most beautiful, but it’s also the time when it starts to fade.

要理解现在，我们必须首先直面过去。

A poet is a nightingale, who sits in darkness and sings to cheer its own solitude with sweet sounds.

(Physics is) a good framework for thinking....Boil things down to their fundamental truths and reason up from there.

Leadership means making tough decisions today that will benefit generations tomorrow.