There is nothing more frightful than ignorance in action.

There is nothing more frightful than ignorance in action.

Gross ignorance is 144 times worse than ordinary ignorance.

Gross ignorance is 144 times worse than ordinary ignorance.

Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity.

Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity.

There is nothing more frightful than an active ignorance.
[Ger., Es ist nichts schrecklicher als eine thatige
Unwissenheit.]

There is nothing more frightful than an active ignorance.
[Ger., Es ist nichts schrecklicher als eine thatige
Unwissenheit.]

Ignorance gives one a large range of probabilities.

Ignorance gives one a large range of probabilities.

And his best riches, ignorance of wealth.

And his best riches, ignorance of wealth.

There is only one good, knowledge, and one evil, ignorance

There is only one good, knowledge, and one evil, ignorance

Nothing is so dangerous as an ignorant friend; a wise enemy is
worth more.
[Fr., Rien n'est si read more

Nothing is so dangerous as an ignorant friend; a wise enemy is
worth more.
[Fr., Rien n'est si dangereux qu'un ignorant ami;
Mieux vaudrait un sage ennemi.]

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

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