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.

The greater our knowledge increases the more our ignorance unfolds.

Beware of false knowledge it is more dangerous than ignorance.

We live on an island surrounded by a sea of ignorance. As our island of knowledge grows so does the shore of our ignorance.

Even knowledge has to be in the fashion and where it is not it is wise to affect ignorance.

It is harder to conceal ignorance than to acquire knowledge.