"To write is to breathe, to live, to exist."

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

We are all bound by the social contract to obey the laws， but we also have the right to participate in making those laws.

Every leaf of vegetable is a gift from nature. We must plant and harvest with reverence.

The best way to find out if you can trust somebody is to trust them.

合作和知识共享对于科学的进步至关重要。