I know that I know nothing.

You will know that the divine is so great and of such a nature that it sees and hears everything at once, is present everywhere, and is concerned with everything.

Wisdom is knowing when you don't know

All that we know is nothing can be known.

As for me, all I know is I know nothing.

I alone know I am wise because I alone know I know nothing.

I am a fool, but I know I'm a fool and that makes me smarter than you.

Wisest is he who knows he knows not.

I know nothing but the certainty of my own ignorance.