Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.

The success of an enterprise cannot be achieved without accurate judgment of the future and seizing opportunities.

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。