The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.

我愿你快乐，即使你的快乐不再是因为我。

我的作品是关于消费社会的讽刺。

Never be afraid of the moments-thus sings the voice of the everlasting .

An invention can be so valuable as to be worthless to the inventor.

你必须相信世界的真实性和其中人们的真实性。