We are growing serious, and, Let me tell you, that's the very next step to being dull. - Joseph Addison

Cheerfulness is...the best promoter of health.

"Censure," says a late ingenious author, "is the tax a man plays for being eminent." It is a folly for an eminent man to think of escaping it, and a weakness to be affected with it. All the illustrious persons of antiquity, and indeed of every age in the world, have passed through this fiery persecution. There is no defense against reproach but obscurity; it is a kind of comitant to greatness, as satires and invectives were an essential part of a Roman triumph.

If we may believe our logicians, man is distinguished from all other creatures by the faculty of laughter.