"To think is to confine yourself to a single thought that one day stands still like a star in the world's sky."

数学是为不同事物赋予相同名称的艺术。

Psychology should be the science of mental life, both of its phenomena and of their conditions.

数学的本质在于它的自由。

"Innovation is the lifeblood of any successful business."

The only way to do great work is to love what you do.