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

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

Ignorance and inconsideration are the two great causes of the ruin of mankind

Ignorance and inconsideration are the two great causes of the ruin of mankind

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

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

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a read more

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would surely suffice.

The learned man knows that he is ignorant.

The learned man knows that he is ignorant.

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.]

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

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.

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.