质量从来不是偶然的；它始终是智慧努力的结果。
Quality is never an accident; it is always the result of intelligent effort.
Legal rules are not commands but rather standards of conduct.
The arithmetic of modular forms is a key to understanding the deeper mysteries of number theory.
The more you praise and celebrate your life, the more there is in life to celebrate.
The art of education must be to bring the child to the point where he can educate himself.
景物依旧，人事已非，一切事情都完了，想要说话，眼泪却先流下来
建筑是一种创造，是对美的创造。