Be thou incapable of change in that which is right, and men will rely upon thee. Establish unto thyself principles of action; and see that thou ever act according to them. First know that thy principles are just, and then be thou – Akhenaton

Guard against the prestige of great names; see that your judgments are your own; and do not shrink from disagreement; no trusting without testing. – Lord (John Emerich Edward Dalberg) Acton

It is not what he had, or even what he does which expresses the worth of a man, but what he is. – Henri Frederic Amiel