if you can't be kind, be quiet. If only people remember that in the "HEAT" of the moment. When we were young, we were told just about the same thing. "If you can't say anything nice, don't say anything at all"
Jealousy comes from counting others' blessings instead of our own. So very true, don't let your life pass by while you worry about someone else, count your blessings, be grateful, be happy for others (even though it can be hard).