You may not be able to change a situation, but with humor you can change your attitude about it.
There is no defense against adverse fortune which is so effectual as an habitual sense of humor.
HUMOR, DEFENSE AGAINST ADVERSE FORTUNE
The first ingredient in conversation is truth, the next good sense, the third good humor, and the fourth wit.
Humor does not rescue us from unhappiness, but enables us to move back from it a little.
HUMOR, MOVE BACK FROM IT A LITTLE
Sense of humor is important in life, not just in clothing. How boring to live a life in beige.
The sense of humor has other things to do than to make itself conspicuous in the act of laughter.
HUMOR, CONSPICUOUS IN THE ACT OF LAUGHTER
In truth, politeness is artificial good humor, it covers the natural want of it, and ends by rendering habitual a substitute nearly equivalent to the real virtue.
HUMOR, POLITENESS IS ARTIFICIAL GOOD HUMOR