The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
The sea is a mirror that reflects the soul of those who gaze upon it.
A strong brand is built on trust, consistency, and a commitment to delivering value.
恩泽中可能潜藏祸患，所以得意时要能尽早回头；失败后反而能够成功，因此失意时千万不要气馁。
人们较易于受邪恶的摆布胜于受道德的约束。