Don't judge a person by his age.

is it the same as don't judge a book by its cover?

Nope. Cover = face. LOL.

Also interpreted as, "Don't think a person is guailan just because he looks guailan."

But what I'm trying to point out is that anyone can have a passion for anything on Earth no matter his age.

wat team he support??

HAHAHA!!!

Must start from young!!