How have you paid a kindness forward? What unexpected kindness did someone do for you?
A few years ago, I was travelling with my family and we stopped at a Pizza Hut for dinner. When we asked for the bill, the waiter said that someone had paid our bill for us and wrote a note on the receipt. The note simply said, "You have a beautiful family and lots of love. Thank you for letting me see such positive family interactions."
It was years ago, but I still remember that stranger's kindness.
How about you?