学习数学的最好方法就是做数学。

释义：世间的一切都离不开因果二字，种善因得善果，种恶因得恶果，人生的一切祸福，其实都是自己做出来的，与别人无关。

人的激情通常比他们的理性更强大。

光的原因不在于颜色，而在于光本身。

We have a mantra: don’t be evil, which is to do the best things we know how for our users, for our customers, for everyone. So I think if we were known for that, it would be a wonderful thing.

There are no shortcuts on the road to success, only continuous effort.

古代著书立说的人，都有卓越的见解而自成一家，后世无法轻易改变。