做出伟大工作的唯一途径是热爱你所做的事情。

数学中最重要的是理解概念，而不仅仅是记忆公式。

我不追随潮流。我创造自己的世界。

目的赋予心理活动意义。

I write to understand what cannot be understood.

Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

The essence of mathematics lies in its freedom.