To be ignorant of one's ignorance is the malady of the ignorant.

To be ignorant of one's ignorance is the malady of the ignorant.

He must be very ignorant for he answers every question he is asked

He must be very ignorant for he answers every question he is asked

Ignorance is the soil in which belief in miracles grows.

Ignorance is the soil in which belief in miracles grows.

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.

I am not ashamed to confess that I am ignorant of what I do not
know.
[Lat., Non read more

I am not ashamed to confess that I am ignorant of what I do not
know.
[Lat., Non me pudet fateri nescire quod nesciam.]

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

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

There is nothing more frightful than ignorance in action.

There is nothing more frightful than ignorance in action.

Ignorance is not innocence but sin.

Ignorance is not innocence but sin.

I have never met a man so ignorant that I couldn't learn something from him.

I have never met a man so ignorant that I couldn't learn something from him.