There is not a single outward mark of courtesy that does not have a deep moral basis.
Depend not on fortune, but on conduct.
At times, morality can be dismissed as a matter of personal conscience, no matter how widespread its acceptance. Ethics, on the other hand, arises from societal or group commitments to principia of behavior.
The important is not what you believe but how you behave.
Here's the acid test for appropriateness: Pretend that someone near and dear to you is witnessing what you are writing or sending, or knows what you are thinking about sending. If, say, your partner saw this behavior, how would he or she feel? That you are asking yourself this question could mean that you shouldn't be doing it!
As a general rule, a reputation is built on manner as much as on achievement.
Cultivate these, then, for they are wholly within your power: sincerity and dignity; industriousness; and sobriety. Avoid grumbling, be frugal, considerate, and frank; be temperate in manner and speech; carry yourself with authority.
There is a virtue in shamelessness.
The happiness and unhappiness of the rational, social animal depends not on what he feels but on what he does; just as his virtue and vice consist not in feeling but in doing.
Everyone has values; even criminal gangs have values. Values govern people's behavior but principles govern the consequences of those behaviors.
The final arbitrator in philosophy is not how we think but what we do.
There are so many highly esteemed ones who became miserable and humiliated just because of their bad temper and morals; and humble people who have attained eminence and the highest honors because of good temper and morals.
