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.]

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 do not believe in the collective wisdom of individual ignorance.

I do not believe in the collective wisdom of individual ignorance.

Ignorance is not bliss - it is oblivion

Ignorance is not bliss - it is oblivion

And his best riches, ignorance of wealth.

And his best riches, ignorance of wealth.

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

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

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

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

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.

I am not ashamed to confess I am ignorant of what I do not know

I am not ashamed to confess I am ignorant of what I do not know