A smile is an inexpensive way to improve your looks.

Seven days without laughter makes one weak!

Smile, it gives your mouth something to do.

A smile costs less than electricity and gives more light.

He who smiles in a crisis has someone in mind to blame.

'Smile - it makes people wonder what you are up to

I believe we should pay our tax bill with a smile. I tried but they wanted cash.

The man who smiles when things go wrong has thought of someone to blame it on.