You can't let praise or criticism get to you. It's a weakness to get caught up in either one.
keep fit and don't lose your nerve.
创新就是在红海中找到蓝海。
In the pursuit of mathematical truth, we often find more questions than answers.
肉腐了就会生蛆,鱼枯死了就会生虫,懈怠疏忽忘记了做人准则就会招来灾祸。