He was so learned that he could name a horse in nine languages; so ignorant that he bought a cow to ride on.

Better to ask a question than to remain ignorant.

A child-like man is not a man whose development has been arrested; on the contrary, he is a man who has given himself a chance of continuing to develop long after most adults have muffled themselves in the cocoon of middle-aged habit and convention.

The mark of your ignorance is the depth of your belief in injustice and tragedy. What the caterpillar calls the end of the world, the master calls a butterfly.

Ignorance is not innocence, but sin.

When I was fourteen, my father was so ignorant I could hardly stand to have him around. When I got to be twenty-one, I was astonished at how much he had learned in seven years.

If ignorance is bliss, why aren't more people jumping up and down for joy.

Ignorance is not bliss -- ignorance is ignorance.

Ignorance is preferable to error; and he is less remote from the truth who believes nothing, than he who believes what is wrong.

Naivete in grownups is often charming; but when coupled with vanity it is indistinguishable from stupidity.