The unexamined life is not worth living.
The soul, like the body, accepts by practice whatever habit one wishes it to contact.
True knowledge exists in knowing that you know nothing.
I only know that I know nothing
God does not deal directly with man: it is by means of spirits that all the intercourse and communication of gods with men, both in waking life and in sleep, is carried on.
It is not difficult to avoid death. It is much more difficult to avoid wickedness, for it runs faster than death.