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.

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

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

For "ignorance is the mother of devotion," as all the world
knows.

For "ignorance is the mother of devotion," as all the world
knows.

There is only one evil: ignorance.

There is only one evil: ignorance.

Where ignorance is our master, there is no possibility of real peace.

Where ignorance is our master, there is no possibility of real peace.

Fear always springs from ignorance

Fear always springs from ignorance

One of the keys to happiness is a bad memory.

One of the keys to happiness is a bad memory.

Hide our ignorance as we will, an evening of wine soon reveals it.

Hide our ignorance as we will, an evening of wine soon reveals it.

By ignorance we mistake, and by mistakes we learn

By ignorance we mistake, and by mistakes we learn