Our great teacher, Rabbi Schneur Zalman of Liadi, set forth a program for Chassidim of "avoda" (literally, "work"): to critically examine one's every action to be certain it conforms strictly with truth and involves conscientious effort. Avoda does not imply - as some think, altogether erroneously - that one must pulverize mountains and shatter boulders, turn the world upside down. The absolute truth is that any positive and G-dly effort, whatever it may be, is perfectly satisfactory when performed with true intent...