Smiling is definitely one of the best beauty remedies. If you have a good sense of humor and a good approach to life, that's beautiful.
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
There is no defense against adverse fortune which is so effectual as an habitual sense of humor.
HUMOR, DEFENSE AGAINST ADVERSE FORTUNE
When you say a friend has a sense of humor do you mean that he makes you laugh, or that he can make you laugh?
Humor does not rescue us from unhappiness, but enables us to move back from it a little.
HUMOR, MOVE BACK FROM IT A LITTLE