The best way to learn mathematics is to do mathematics.
学习数学的最好方法就是去做数学。
质量不是命运；它是一种选择。
我不完美，但我就是我。
From life, from books, from others, we learn.
We must balance short-term gains with long-term vision.
负责任的 seafood 消费始于教育消费者了解他们的食物来源。
The art of diplomacy is to understand desires of others and to find a way, where they think they get what they want.