"Success is not final, failure is not fatal: It is the courage to continue that counts."

He allowed himself to be swayed by his conviction that human beings are not born once and for all on the day their mothers give birth to them, but that life obliges them over and over again to give birth to themselves.

心不是一个隐喻。

To signal an emergency， use the rule of three； 3 shouts， 3 horn blasts， or 3 whistles.

形式系统的发展彻底改变了我们对数学的理解。

时间是一种幻觉。午餐时间更是如此。

人的激情通常比他们的理性更强大。