Mathematics is a language that allows us to describe the indescribable.
"Everything is a learning process: any time you fall down, it's just teaching you to stand up the next time."
The only way to get through life is to laugh your way through it. You either have to laugh or cry. I prefer to laugh. Crying gives me a headache.
记忆是创造力的一种形式。
Many backward steps are made by standing still.
A human being needs to suffercWhen one suffers, one becomes strong.