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.

Discussion is an exchange of knowledge; argument is an exchange of ignorance

Discussion is an exchange of knowledge; argument is an exchange of ignorance

I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.

I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.

A man may live long, and die at last in ignorance of many truths,
which his mind was capable read more

A man may live long, and die at last in ignorance of many truths,
which his mind was capable of knowing, and that with certainty.

It was a childish ignorance,
But now 'tis little joy
To know I'm further off from heaven
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It was a childish ignorance,
But now 'tis little joy
To know I'm further off from heaven
Than when I was a boy.

The recipe for perpetual ignorance is: Be satisfied with your opinions and content with your knowledge.

The recipe for perpetual ignorance is: Be satisfied with your opinions and content with your knowledge.

All you need in this life is ignorance and confidence, and then success is sure.

All you need in this life is ignorance and confidence, and then success is sure.

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.

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