Indulge not thyself in the passion of anger; it is whetting a sword to wound thine own breast, or murder thy friend.
We must not indulge in unfavorable views of mankind, since by doing it we make bad men believe they are no worse than others, and we teach the good that they are good in vain.
Battle is the most magnificent competition in which a human being can indulge. It brings out all that is best; it removes all that is base. All men are afraid in battle. The coward is the one who lets his fear overcome his sense of duty. Duty is the essence of manhood.
Every day we have plenty of opportunities to get angry, stressed or offended. But what you're doing when you indulge these negative emotions is giving something outside yourself power over your happiness. You can choose to not let little things upset you.