时间从我们头顶飞过，但留下了它的影子。

I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up.

The greatest happiness which can happen to any country is the taking of the supreme power out of the hands of the governing few and putting it into the hands of the governed many.

"The most powerful tool in computer science is not the computer itself, but the human mind."

The only way to do great work is to love what you do.