Music is a moral law. It gives soul to the universe, wings to the mind, flight to the imagination, and charm and gaiety to life and to everything.
If women are expected to do the same work as men, we must teach them the same things.
Human behavior flows from three main sources: desire, emotion, and knowledge.
Astronomy compels the soul to look upwards and leads us from this world to another.
Thinking: the talking of the soul with itself.
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.
The direction in which education starts a man will determine his future in life.
Love is the joy of the good, the wonder of the wise, the amazement of the Gods.
And what, Socrates, is the food of the soul? Surely, I said, knowledge is the food of the soul.
Knowledge becomes evil if the aim be not virtuous.
Knowledge is true opinion.
Honesty is for the most part less profitable than dishonesty.
Wealth is well known to be a great comforter.
Then not only an old man, but also a drunkard, becomes a second time a child.
Hardly any human being is capable of pursuing two professions or two arts rightly.
The eyes of the soul of the multitudes are unable to endure the vision of the divine.
Hardly any human being is capable of pursuing two professions or two arts rightly.
There is no such thing as a lovers' oath.
Poetry is nearer to vital truth than history.
I never did anything worth doing by accident, nor did any of my inventions come by accident; they came by work.
All the gold which is under or upon the earth is not enough to give in exchange for virtue.
Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws.
No one is a friend to his friend who does not love in return.
The true mystery of the world is the visible, not the invisible.
At the touch of love everyone becomes a poet.
Necessity... the mother of invention.
There must always remain something that is antagonistic to good.
If a man neglects education, he walks lame to the end of his life.
Knowledge without justice ought to be called cunning rather than wisdom.
No evil can happen to a good man, either in life or after death.