The essence of mathematics lies in its ability to reveal hidden patterns and structures in the universe.

The art of teaching consists in large part of the ability to awaken the natural curiosity of young minds and to satisfy it with the nourishment of knowledge.

You are never too old to set another goal or to dream a new dream.

科学是我们解开生命之谜的工具。

写作是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。