Miracles are a kind of exchange. Like all expressions of love, which are always miraculous in the true sense, the exchange reverses physical laws. They bring more love both to the giver and the receiver. T-1.1.9:1-3
You get what you give. It is part of the law of karma. What goes around comes around. You learn what you teach.
In Alcoholic Anonymous it is suggested, in step eight, that we make a list of all the persons we have harmed and in step nine make amends when it would do no further harm.
In Unitarian Universalism we covenant together to affirm and promote justice, equity, and compassion in our human relations.
Today, we can focus on the idea that if we would have love we should give it. If you see someone without a smile, give them one of yours.