数学中发现的快乐是无与伦比的。
对公正社会的渴望是人类状况的永久部分。
If everything was perfect, you would never learn and you would never grow.
长期来看,市场是一台称重机,但短期来看,它是一台投票机。
活着就是受苦,生存就是在苦难中找到某种意义。