You have to be willing to fail to be successful.
孔子说:“我曾整天不吃、整夜不睡,来思考。结果没好处,还不如学习。”
"The only way to get better is to play against the best."
The great tragedy of life is not that men perish, but that they cease to love.
In mathematics, the art of proposing a question must be held of higher value than solving it.