Mathematics is the music of reason.
Don‘t cry because it is over, smile because it happened。
"Sometimes, the hardest part of life is not the suffering, but the waiting."
在你20多岁的时候,是开始投资你人际关系的最佳时机。
Rationality is not about being right, but about being consistent in your beliefs and actions.
Some people have an ability to negotiate. It's an art you're basically born with. You either have it or you don't.