Simple arithmetic

One peaceful word can end a war, one touch of sunshine halt the rain, one light reveal an open door, one spurt of laughter weaken pain. One act of faith can strengthen trust, one glance hold two in loving pause, a drop of oil can conquer rust, one voice in protest alter laws. One tear can shift another's grief, one broom can clear a house of dross, one kiss of spring can green a leaf, a hand in aid can lift a cross. The power of a one, though slight, will hold against the weight of might.