你无法用心脏来交换内心渴望的东西。

Everyone has their own story, but not everyone has the chance to tell it.

干杯干杯干杯

A proof is a device for convincing someone else that a mathematical statement is true.

比较是幸福的最大杀手。如果一定要比较，就拿昨天的自己作为比较对象。