They certainly give very strange names to diseases.

Must not all things at the last be swallowed up in death?

Excess of liberty, whether it lies in state or individuals, seems only to pass into excess of slavery.

No trace of slavery ought to mix with the studies of the freeborn man. No study, pursued under compulsion, remains rooted in the memory.

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.

Twice and thrice over, as they say, good is it to repeat and review what is good.

Rhetoric is the art of ruling the minds of men.

For good nurture and education implant good constitutions.

Nothing can be more absurd than the practice that prevails in our country of men and women not following the same pursuits with all their strengths and with one mind, for thus, the state instead of being whole is reduced to half.

God is not the author of all things, but of good only.

Wise men speak because they have something to say; Fools because they have to say something.

Science is nothing but perception.

Any man may easily do harm, but not every man can do good to another.

To suffer the penalty of too much haste, which is too little speed.

When the tyrant has disposed of foreign enemies by conquest or treaty, and there is nothing more to fear from them, then he is always stirring up some war or other, in order that the people may require a leader.

Courage is a kind of salvation.

Knowledge which is acquired under compulsion obtains no hold on the mind.

Wisdom alone is the science of other sciences.

Entire ignorance is not so terrible or extreme an evil, and is far from being the greatest of all; too much cleverness and too much learning, accompanied with ill bringing-up, are far more fatal.

The punishment which the wise suffer who refuse to take part in the government, is to live under the government of worse men.