Being ignorant is not so much a shame, as being unwilling to learn.
Beware of false knowledge; it is more dangerous than ignorance.
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.
There is nothing more frightful than ignorance in action.
The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.
The truth is incontrovertible. Malice may attack it, ignorance may deride it, but in the end, there it is.
All suffering is caused by ignorance. People inflict pain on others in the selfish pursuit of their own happiness or satisfaction
All you need is ignorance and confidence and the success is sure.
The highest form of ignorance is when you reject something you don't know anything about.
When ignorant folks want to advertise their ignorance, you don't really have to do anything, you just let them talk.
Evil is relatively rare. Ignorance is epidemic.
Ignorance, the root and the stem of every evil.
If someone can prove me wrong and show me my mistake in any thought or action, I shall gladly change. I seek the truth, which never harmed anyone: the harm is to persist in one's own self-deception and ignorance.
Opinion is the medium between knowledge and ignorance.
I am an agnostic; I do not pretend to know what many ignorant men are sure of.
The doorstep to the temple of wisdom is a knowledge of our own ignorance.
I have never met a man so ignorant that I couldn't learn something from him.
Ignorance of the law excuses no man.
All decisions are made on insufficient evidence.
So long as we think dugout canoes are the only possibility-all that is real or can be real-we will never see the ship, we will never feel the free wind blow.
We are all born ignorant, but one must work hard to remain stupid.
The only competition you will ever face is with your own ignorance.
The evil that is in the world almost always comes of ignorance, and good intentions may do as much harm as malevolence if they lack understanding.
The difference between stupidity and genius is that genius has its limits.
The recipe for perpetual ignorance is: Be satisfied with your opinions and content with your knowledge.
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