TEDx Talk, Check Yourself by Charlie Johnson.
King, Martin Luther, Jr. Rediscovering Lost Values. Sermon delivered at Detroit's Second Baptist Church (1954). Available at The Martin Luther King, Jr. Research and Education Institute.
Internet Encyclopedia of Philosophy entry on Moral Character.
Judging moral character: A matter of principle, not good deeds from ScienceDaily.
What is Integrity? video by Tuck School of Business.