I call that man idle who might be better employed.

Marry or marry not, in any either case you'll regret it

Are you not ashamed of your eagerness to possess as much wealth, reputation, and honors as possible, while you do not care for nor give thought to wisdom or truth, or the best possible state of your soul?

In childhood be modest, in youth temperate, in adulthood just, and in old age prudent.

I swear it upon Zeus an outstanding runner cannot be the equal of an average wrestler.

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.

It is the greatest good for an individual to discuss virtue (aka areté) every day...for the unexamined life is not worth living.