技术没有捷径，只有不断积累和突破。

The most beautiful things in life are not things. They're people and places and memories and pictures. They're feelings and moments and smiles and laughter.

I'm a fighter, and I'm not going to give up.

在数学中，提出问题的艺术必须比解决问题更有价值。

所谓现实只不过是一个错觉，虽然这个错觉非常持久。