黑暗不能驱逐黑暗；只有光明能够做到。仇恨不能驱逐仇恨；只有爱能够做到。
Darkness cannot drive out darkness； only light can do that.Hate cannot drive out hate； only love can do that.
The journey of scientific discovery is as important as the destination.
The beauty of mathematics lies in its ability to describe the universe in the most elegant way possible.
"Doubt is useful for a while. We must all pass through the garden of Gethsemane. If Christ played with doubt, so must we."
If you don’t drive your business, you will be driven out of business.
无限小在自然中的作用是无限大的。