When you are kind to someone in trouble, you hope they'll remember and be kind to someone else. And it'll become like a wildfire.
Source: In Parade.
-- Whoopi Goldberg, (Nov 13 1949-____), US actress, comedienne; Her films include Color Purple, 1985; Jumpin' Jack Flash, 1986; Sister Act I and II; and Ghost, for which she won an Oscar, 1991.