Plato

• A good decision is based on knowledge and not on numbers.
• Be kind, for everyone you meet is fighting a hard battle.
• Be kind, for everyone you meet is fighting a harder battle.
• Bodily exercise, when compulsory, does no harm to the body; but knowledge which is acquired under compulsion obtains no hold on the mind.
• Courage is knowing what not to fear.
• Cunning... is but the low mimic of wisdom.
• Education is teaching our children to desire the right things.
• Good actions give strength to ourselves and inspire good actions in others.
• Human behavior flows from three main sources: desire, emotion, and knowledge.
• I am the wisest man alive, for I know one thing, and that is that I know nothing.
• Knowledge without justice ought to be called cunning rather than wisdom.
• Love is a serious mental disease.
• Only the dead have seen the end of war.
• The madness of love is the greatest of heaven's blessings.
• The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom.
• The measure of a man is what he does with power.
• The most virtuous are those who content themselves with being virtuous without seeking to appear so.
• The price good men pay for indifference to public affairs is to be ruled by evil men.
• There are three classes of men; lovers of wisdom, lovers of honor, and lovers of gain.
• There are two things a person should never be angry at, what they can help, and what they cannot.
• We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.
• When men speak ill of thee, live so as nobody may believe them.
• Wisdom alone is the science of other sciences.
• Wise men speak because they have something to say; Fools because they have to say something.
• Wise men talk because they have something to say; fools, because they have to say something.
• You should not honor men more than truth.