The best mathematics is not just correct; it is illuminating.
Jenny and I was like peas and carrots.
I want to make a difference in the world.
The study of truth requires a considerable effort - which is why few are willing to undertake it out of love of knowledge - despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.
生活是一个不断学习的过程。
"In mathematics, you don't understand things. You just get used to them."