Musical innovation is full of danger to the State, for when modes of music change, the laws of the State always change with them.

If a man neglects education, he walks lame to the end of his life.

Either death is a state of nothingness and utter consciousness, or, as men say, there is a change and migration of the soul from this world to another. Now if death be of such a nature, I say that to die is to gain; for eternity is then only a single night.

So the nature required to make a really noble Guardian of our commonwealth will be swift and strong, spirited, and philosophic.

I fear this is not the right exchange to attain virtue, to exchange pleasures for pleasures, pains for pains and fears for fears, the greater for the less like coins, but that the only valid currency for which all these things should be exchanged is wisdom.

Not only is the old man twice a child, but also the man who is drunk.

Ignorance, the root and the stem of every evil.