I'm not a role model, I'm just a human being.

数学和计算机科学的交叉点是一些最激动人心的发现产生的地方。

"It is a capital mistake to theorize before one has data."

"Love is not a victory march, it's a cold and it's a broken hallelujah."

The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.

如果行善不是发自内心，那就不会长久。比如被捐款、被做义工等等，都是一锤子买卖，因为不是他自愿的。