The only thing more expensive than education is ignorance.

The only thing more expensive than education is ignorance.

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

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

Ignorance is not innocence but sin.

Ignorance is not innocence but sin.

By ignorance we mistake, and by mistakes we learn

By ignorance we mistake, and by mistakes we learn

His ignorance is encyclopedic.

His ignorance is encyclopedic.

The only good is knowledge and the only evil is ignorance.

The only good is knowledge and the only evil is ignorance.

I would prefer as friend a good man ignorant than one more clever who is evil too.

I would prefer as friend a good man ignorant than one more clever who is evil too.

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.

There is only one evil: ignorance.

There is only one evil: ignorance.