"The question is not, how much does the youth know? When he has finished his education -- but how much does he care? And about how many orders of things does he care? In fact, how large is the room in which he finds his feet set? And, therefore, how full is the life he has set before him?"
"Thought breeds thought; children familiar with great thoughts take as naturally to thinking for themselves as the well-nourished body takes to growing; and we must bear in mind that growth, physical, intellectual, moral, spiritual, is the sole end of education."
"Nobody knows how much is possible to any one person. Many persons go through life without recognizing this. They have no notion of how much they can do and feel, know and be; and so their lives turn out poor, narrow and disappointing."
Something to chew on for a bit...