The computer revolution hasn't started yet.

I'm interested in those characters who are struggling with something, who are trying to figure something out.

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.

I believe that man will not merely endure: he will prevail. He is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance.

数学的美在于它简化复杂问题的能力。

历史学家是反向的先知。