The learned man knows that he is ignorant.

The learned man knows that he is ignorant.

One of the keys to happiness is a bad memory.

One of the keys to happiness is a bad memory.

Prejudice is the child of ignorance.

Prejudice is the child of ignorance.

When ignorance gets started it knows no bounds

When ignorance gets started it knows no bounds

Ignorance is never out of style. It was in fashion yesterday, it is the rage today and it will set read more

Ignorance is never out of style. It was in fashion yesterday, it is the rage today and it will set the pace tomorrow.

I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.

I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.

The truest characters of ignorance
Are vanity, and pride, and annoyance.

The truest characters of ignorance
Are vanity, and pride, and annoyance.

A person is never happy except at the price of some ignorance.

A person is never happy except at the price of some ignorance.

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

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