Quote
"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
Ignorance"There is nothing so dangerous as an ignorant and frightened man."
Ignorance is a lack of knowledge, information and understanding. Deliberate ignorance is a culturally-induced phenomenon, the study of which is called agnotology.
"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, madam, pure ignorance."
"Everybody is ignorant only on different subjects."
"Ignoratione rerum bonarum et malarum maxime hominum vita vexatur."
"A truly refined mind will seem to be ignorant of the existence of anything that is not perfectly proper, placid, and pleasant."
"And his best riches, ignorance of wealth."