Being a humorist is not a voluntary thing. You can tell this because in a situation where saying a funny thing will cause a lot of trouble, a humorist will still say the funny thing. No matter how inappropriate.
There's no trick to being a humorist when you have the whole government working for you
If a person desires to be a humorist it is necessary that the people around him shall be at least as wise as he is, otherwise his humor will not be comprehended.
WIT, n. The salt with which the American humorist spoils his intellectual cookery by leaving it out.
A humorist is a man who feels bad but feels good about it