The most certain sign of wisdom is cheerfulness.

I don’t know if I’m relentlessly cheerful… more consistently relaxed.

I am cheerful, I just wear it under my frown.

Let us be grateful to people who make us happy.

I’m basically quite a cheerful person.

A merry heart maketh a cheerful countenance.

And so of cheerfulness, or a good temper—the more it is spent, the more of it remains.

Be positive. Stay happy and don’t let the negativity of the world get you down.

Everybody knows the Lord loveth a cheerful giver.

The person who can be only serious or only cheerful, is but half a man.

The first sign of your becoming religious is that you are becoming cheerful

A cheerful frame of mind, reinforced by relaxation… is the medicine that puts all ghosts of fear on the run.

Oh, give us the man who sings at his work.

There is certainly a red for everyone.

The best way to cheer yourself up is to try to cheer somebody else up.

Success is very much the intersection of luck and hard work.

Hard work beats talent if talent doesn't work hard.

Collaboration is the best way to work. It’s only way to work, really.

Truth is ever to be found in simplicity, and not in the multiplicity and confusion of things.