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.

Never let your persistence and passion turn into stubbornness and ignorance.

Never let your persistence and passion turn into stubbornness and ignorance.

A man may live long, and die at last in ignorance of many truths,
which his mind was capable read more

A man may live long, and die at last in ignorance of many truths,
which his mind was capable of knowing, and that with certainty.

Being ignorant is not so much a shame, as being unwilling to learn.

Being ignorant is not so much a shame, as being unwilling to learn.

There is no reply to the ignorant like keeping silence

There is no reply to the ignorant like keeping silence

But let a man know that there are things to be known, of which he
is ignorant, and it read more

But let a man know that there are things to be known, of which he
is ignorant, and it is so much carved out of his domain of
universal knowledge.

Prejudice is the child of ignorance.

Prejudice is the child of ignorance.

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

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

In extraordinary events ignorance of their causes produces
astonishment.
[Lat., Causarum ignoratio in re nova mirationem facit.]

In extraordinary events ignorance of their causes produces
astonishment.
[Lat., Causarum ignoratio in re nova mirationem facit.]