Follow the argument wherever it leads.

Nobody knows anything, but I, knowing nothing, am the smartest man in the world.

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.

The cure of many diseases remains unknown to the physicians of Hellos (Greece) because they do not study the whole person.

Be true to thine own self.

I know one thing, that I know nothing.