The invention of writing will produce forgetfulness in the minds of those who learn to use it, because they will not practice their memory. Their trust in writing, produced by external characters which are no part of themselves, will discourage the use of their own memory within them. You have invented an elixir not of memory, but of reminding; and you offer your pupils the appearance of wisdom, not true wisdom.

Flattery is like friendship in show, but not in fruit.

The heart of the person before you is a mirror. See there your own form.

The Delphic Oracle said I was the wisest of all the Greeks. It is because that I alone, of all the Greeks, know that I know nothing.

The warm love has the coldest end.

What a lot of things there are a man can do without.

Be of good cheer about death and know this as a truth, that no evil can happen to a good man, either in life or after death