最好的儿童书籍是那些不会居高临下地对孩子说话的书籍。

The value of art is not in its price, but in its power to move people.

Never stop learning—the moment you do, you fall behind.

The problem of quality management is not what people don't know about it. The problem is what they think they do know.

To do mathematics is to engage in an act of creation and discovery simultaneously.

What is broken can sometimes hold more meaning than what is whole.

耐心和坚持是科学发现的无名英雄。