Mocking the wisdom that comes with age is a fit sport only for those who expect never to attain much of it themselves
Count your blessings, not your problems. Count your own blessings, not someone else's. Remember that jealousy is when you count someone else's blessings instead of your own.
A visitor is a friend, he brings news, good or bad, which is bread to the hungry minds in lonely places. A real friend who comes to the house is a heavenly messenger, who brings the panis angelorum.