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.


Lectures on Education (ed. 1845)

Horace Mann Quotes

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.

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.

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.

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.