解释：对于一件事情的利害得失，只有有智慧的人才能分辨清楚。

I always try to learn from every experience, whether it's positive or negative.

当今世界上最普遍的不平等形式不是贫富之间的不平等，而是男女之间的不平等。

"If people were rain, I was drizzle and she was a hurricane."

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