What ever you do, do it well. Do it so well that when people see you do it they will want to come back and see you do it again and they will want to bring others and show them how well you do what you do.

In the pursuit of mathematical truth, we often find more questions than answers.

无论做任何事情，总逃不过“持之以恒”四个字，如果三天打鱼两天晒网，即使再聪明、再有天赋，也不会有什么成就。