The only thing more expensive than education is ignorance.

The only thing more expensive than education is 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.

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.

I am not ashamed to confess that I am ignorant of what I do not
know.
[Lat., Non read more

I am not ashamed to confess that I am ignorant of what I do not
know.
[Lat., Non me pudet fateri nescire quod nesciam.]

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.

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.]

Fear always springs from ignorance

Fear always springs from ignorance

I would prefer as friend a good man ignorant than one more clever who is evil too.

I would prefer as friend a good man ignorant than one more clever who is evil too.

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

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