Be slow to fall into friendship，but when you are in，continue firm and constant.

成功来自于坚持和努力。

All the other children at my school are stupid. Except I’m not meant to call them stupid, even though this is what they are.

I don't sing because I'm happy; I'm happy because I sing.

Try never to be the smartest person in the room. And if you are, I suggest you invite smarter people or find a different room.