Authors:

Don't hit at all if you can help it; don't hit a man if you can possibly avoid it; but if you do hit him, put him to sleep.

Theodore Roosevelt, Paul H. Jeffers (1998). “The Bully Pulpit: A Teddy Roosevelt Book of Quotations”, p.53, Taylor Trade Publications
Don't hit at all if you can help it; don't hit a man if you can possibly avoid it; but if you do hit him, put him to sleep.