I don’t have time to worry about something as trivial as what I look like.

The pursuit of mathematical truth requires both intuition and rigor.

The truth is not always beautiful, but the pursuit of truth is always noble.

One who never turned his back but marched breast forward, never doubted clouds would break.

The secret to success is to keep moving forward.

Efficiency is doing things right; effectiveness is doing the right things.

当我们编写可以“学习”的程序时，事实证明我们是这样做的，而他们不是。