The only way to understand another culture is to assume the frame of reference of that culture.
定理是永恒的；它们的证明是短暂的。
我非常敬佩那些已婚、有孩子并且全职工作的女性。我不知道你们是怎么做到的，我觉得我做不到。
小说是一个你可以探索人性复杂性的地方，而不必担心被评判。
Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact， “I have a rule for X” is the only excuse you need for your own personal policies.
Confidence is not innate, it is cultivated slowly.
Quality is not an act, it is a habit.
种树的最佳时间是20年前，第二好的时间是现在。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.