No one can be sad when they have a balloon.

Winnie the Pooh
Profession: Fictional character
Some suggestions for you :
A friend is one of the nicest things you can have and one of the best things you can be.
They're funny things, accidents. You never have them till you're having them.
We didn't even realize we were making memories. We just knew we were having fun.
Here together, friends forever. Some things were just meant to be, and that's you and me.
You are braver than you believe, stronger than you seem, and smarter than you think.
A day without a friend is like a pot without a single drop of honey left inside.
The things that make me different are the things that make me.