The learned man knows that he is ignorant.

The learned man knows that he is ignorant.

I am not ashamed to confess I am ignorant of what I do not know

I am not ashamed to confess I am ignorant of what I do not know

Ignorance is the soil in which belief in miracles grows.

Ignorance is the soil in which belief in miracles grows.

By ignorance we mistake, and by mistakes we learn

By ignorance we mistake, and by mistakes we learn

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.

There is only one good, knowledge, and one evil, ignorance

There is only one good, knowledge, and one evil, ignorance

There is nothing more frightful than an active ignorance.
[Ger., Es ist nichts schrecklicher als eine thatige
Unwissenheit.]

There is nothing more frightful than an active ignorance.
[Ger., Es ist nichts schrecklicher als eine thatige
Unwissenheit.]

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.

The tax which will be paid for the purpose of education is not more than the thousandth part of what read more

The tax which will be paid for the purpose of education is not more than the thousandth part of what will be paid to kings, priests and nobles who will rise up among us if we leave the people in ignorance