The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.

A wise man said: before you speak， let your words pass through three gates. At the first gate， ask yourself， "Is it true？" At the second gate， ask "Is it necessary？" At the third gate， ask， "Is it kind？"

有时候，生活就像一本小说，直到读完最后一页才能理解。