我认为年龄是为成熟付出的高昂代价。
人生就像骑单车，想保持平衡就得往前走。
The quality of an organization is determined by the quality of its services.
If you’re not making someone angry, you’re not doing it right.
To do mathematics is to engage in a dialogue with the universe, seeking answers to questions we may not even know how to ask yet.