"Experience is merely the name men gave to their mistakes."
未经审视的生活不值得过。
数学的研究是所有智力和精神进步不可或缺的基础。
创新的关键不仅在于找到答案,还在于提出正确的问题。
I'm not upset that you lied to me, I'm upset that from now on I can't believe you.
The highest activity a human being can attain is learning for understanding because to understand is to be free.