You can never do a kindness too soon, for you never know how soon it will be too late. Ralph Waldo Emerson
Never refuse to do a kindness unless the act would work great injury to yourself, and never refuse to take a drink- under any circumstances. Mark Twain
Whoever understands how to do a kindness when he fares well would be a friend better than any possession. Sophocles
Better do a kindness near home than go far to burn incense. Chinese Proverb