If I had no sense of humor I would long ago have committed suicide.
It is unwise to be too sure of one's own wisdom. It is healthy to be reminded...
Humor results when society says you can't scratch certain things in public...
Let us speak though we show all our faults and weaknesses - for it is a sign of strength to be weak to know it and out with it - not in a set way and ostentatiously though but incidentally and without premeditation.