The world is full of people who have never, since childhood, met an open doorway with an open mind.

"The only way to do great work is to love what you do."

If you want to understand function, study structure.

一个人不应该发愁没有官位俸禄，而应该发愁没有为官的本领。不应该发愁别人不了解自己，而应追求能够让别人了解自己的才能。