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

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

By ignorance we mistake, and by mistakes we learn

By ignorance we mistake, and by mistakes we learn

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

One of the keys to happiness is a bad memory.

One of the keys to happiness is a bad memory.

When ignorance gets started it knows no bounds

When ignorance gets started it knows no bounds

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.]

Ignorance gives one a large range of probabilities.

Ignorance gives one a large range of probabilities.

The recipe for perpetual ignorance is: Be satisfied with your opinions and content with your knowledge.

The recipe for perpetual ignorance is: Be satisfied with your opinions and content with your knowledge.

There is only one evil: ignorance.

There is only one evil: ignorance.