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.

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.

The greatest ignorance is to reject something you know nothing about

The greatest ignorance is to reject something you know nothing about

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

Gross ignorance: 144 times worse than ordinary ignorance.

Gross ignorance: 144 times worse than ordinary ignorance.

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

Ignorance gives one a large range of probabilities.

Ignorance gives one a large range of probabilities.

But let a man know that there are things to be known, of which he
is ignorant, and it read more

But let a man know that there are things to be known, of which he
is ignorant, and it is so much carved out of his domain of
universal knowledge.

Children's talent to endure stems from their ignorance of alternatives.

Children's talent to endure stems from their ignorance of alternatives.