Able Quote by Sun Tzu

He who is not aware of his ignorance will be only misled by his knowledge.

— Richard Whately

Let everyone who has the grace of intelligence fear that, because of it, he will be judged more heavily if he is negligent.

— Bridget of Sweden

He who knows nothing is closer to the truth than he whose mind is filled with falsehoods and errors.

— Thomas Jefferson

He has a number of curious facts in illustration of the power of mere goodness to protect against outrage.

— George Combe

He that voluntarily continues in ignorance, is guilty of all the crimes which ignorance produces.

— Samuel Johnson

A man is responsible for his ignorance.

— Milan Kundera

There is no means by which men so powerfully elude their ignorance, disguise it from themselves and from others as by words

— Gamaliel Bradford

It is not the number of facts he knows, but how much of a fact he is himself, that proves the man.

— Christian Nestell Bovee

He who knows what he is told must know a lot of things that are not so.

— Arthur Guiterman

If a man really knew himself he would utterly despise the ignorant notions others might form on a subject in which he had such…

— George Santayana

Nothing is so good for an ignorant man as silence; and if he was sensible of this he would not be ignorant.

— Anonymous

If the modern leader doesn't know the facts, he is in grave trouble, but rarely do the facts provide unqualified guidance.

— John W. Gardner