There are in fact two things science and opinion the former begets knowledge the later ignorance.

Our knowledge is a receding mirage in an expanding desert of ignorance.

Ignorance is bold and knowledge reserved.

Ignorance is never better than knowledge.

It is impossible to make people understand their ignorance for it requires knowledge to perceive it and therefore he that can perceive it hath it not.

His ignorance was as remarkable as his knowledge.

In expanding the field of knowledge we but increase the horizon of ignorance.

Science is the father of knowledge but opinion breeds ignorance.

Knowledge slowly builds up what Ignorance in an hour pulls down.

Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction but knowledge of morality will always console me for ignorance of physical science.

The small part of ignorance that we arrange and classify we give the name of knowledge.

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

Dogmatism and skepticism are both in a sense absolute philosophies one is certain of knowing the other of not knowing. What philosophy should dissipate is certainty whether of knowledge or ignorance.

It is an infantile superstition of the human spirit that virginity would be thought a virtue and not the barrier that separates ignorance from knowledge.

Ignorance more frequently begets confidence than does knowledge: it is those who know little and not those who know much who so positively assert that this or that problem will never be solved by science.

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

The doorstep to the temple of wisdom is a knowledge of our own ignorance.