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.

Ignorance is the night of the mind, a night without moon or star

Ignorance is the night of the mind, a night without moon or star

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

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

By ignorance we mistake, and by mistakes we learn

By ignorance we mistake, and by mistakes we learn

Often the cock-loft is empty, in those whom nature hath built
many stories high.

Often the cock-loft is empty, in those whom nature hath built
many stories high.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

Real knowledge is to know the extent of one's ignorance.

Real knowledge is to know the extent of one's ignorance.

When ignorance gets started it knows no bounds

When ignorance gets started it knows no bounds