If you think education is expensive, try ignorance.

If you think education is expensive, try 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.

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.

Ignorance and inconsideration are the two great causes of the ruin of mankind

Ignorance and inconsideration are the two great causes of the ruin of mankind

Discussion is an exchange of knowledge; argument is an exchange of ignorance

Discussion is an exchange of knowledge; argument is an exchange of ignorance

The learned man knows that he is ignorant.

The learned man knows that he is ignorant.

Ignorance seldom vaults into knowledge, but passes into it
through an intermediate state of obscurity, even as night into read more

Ignorance seldom vaults into knowledge, but passes into it
through an intermediate state of obscurity, even as night into
day through twilight.

Who ne'er knew salt, or heard the billows roar.

Who ne'er knew salt, or heard the billows roar.

. . where ignorance is bliss, 'Tis folly to be wise.

. . where ignorance is bliss, 'Tis folly to be wise.