Mathematics is the language of the universe, and through it, we can unlock the secrets of existence.

The night is a great silence, but the stars are its music.

A writer is, after all, only half his book. The other half is the reader and from the reader the writer learns.

"The only way to get rid of a temptation is to yield to it."

宝剑干将虽然锋利无比、名闻天下，但是，木匠用它伐树却比不上斧头。点评：方法不对，适得其反。

"The world is not a wish-granting factory."