When I write songs, I often cry.

如果你能看见，就看。如果你能看，就观察。

The precepts of the law are these: to live honestly, to injure no one, and to give each his due.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

有能力给予当然比有能力接受来得更让人愉快。