CHOFETZ CHAIM - Desirer of Life - Hardcoverby Rabbi Yisrael Meir Kagan (Editor), Rabbi Chaim Ybs (Editor) Chofetz Chaim, Desirer of Life is the magnum opus of Rabbi Yisrael Meir Kagan Ha'Kohe who later became known simply as The Chofetz Chaim. The book deals with Jewish ethics and laws of speech and is considered the authoritative source on the subject. The title of the work Chofetz Chaim by Rabbi Yisrael Meir Kagan is taken from Psalms 34: 12 15 Come, children, hearken to me, I will teach you