Aristotle

• A friend to all is a friend to none.
• Change in all things is sweet.
• Criticism is something you can easily avoid by saying nothing, doing nothing, and being nothing.
• Educating the mind without educating the heart is no education at all.
• Excellence, then, is a state concerned with choice, lying in a mean, relative to us, this being determined by reason and in the way in which the man of practical wisdom would determine it.
• Friendship is essentially a partnership.
• Happiness depends upon ourselves.
• Happiness is the meaning and the purpose of life, the whole aim and end of human existence.
• He who has never learned to obey cannot be a good commander.
• He who hath many friends hath none.
• I count him braver who overcomes his desires than him who conquers his enemies, for the hardest victory is over self.
• If one way be better than another, that you may be sure is nature's way.
• In all things of nature there is something of the marvelous.
• It is during our darkest moments that we must focus to see the light.
• It is the mark of an educated mind to be able to entertain a thought without accepting it.
• Love is composed of a single soul inhabiting two bodies.
• Moral excellence comes about as a result of habit. We become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts.
• No great mind has ever existed without a touch of madness.
• Pleasure in the job puts perfection in the work.
• Quality is not an act; it is a habit.
• The educated differ from the uneducated as much as the living differ from the dead.
• The energy of the mind is the essence of life.
• The virtue of justice consists in moderation, as regulated by wisdom.
• Those that know, do. Those that understand, teach.
• Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.
• Those who know, do. Those that understand, teach.
• We are what we repeatedly do. Excellence, then, is not an act, but a habit.
• Well begun is half done.
• Wishing to be friends is quick work, but friendship is a slow ripening fruit.