It takes a lot of things to prove you are smart, but only one thing to prove you are ignorant.

It takes a lot of things to prove you are smart, but only one thing to prove you are ignorant.

Fear always springs from ignorance

Fear always springs from ignorance

Your ignorance cramps my conversation

Your ignorance cramps my conversation

If I don't have wisdom, I can teach you only ignorance.

If I don't have wisdom, I can teach you only ignorance.

I do not believe in the collective wisdom of individual ignorance.

I do not believe in the collective wisdom of individual ignorance.

There are many things of which a wise man might wish to be ignorant

There are many things of which a wise man might wish to be ignorant

Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity.

Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity.

Real knowledge is to know the extent of one's ignorance.

Real knowledge is to know the extent of one's ignorance.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.