Men of learning are those who have read the contents of books. Thinkers, geniuses, and those who have enlightened the world and furthered the race of men, are those who have made direct use of the book of the world.
The voice of a person thinking, discovering, revising, is ever-present without any loss in grace or ease.
I don't think people are averse to thinking about things in a deep way, but we have limited time and opportunity to think about things in a deep way. I think that's why there is an appetite for non-fiction - it gives people the opportunity to reexamine ordinary experience and be smarter about it.
We have learned more about the brain in the last fifteen years than in all prior human history, and the mind, once considered out of reach, is finally assuming center stage.
I love to lose myself in other men's minds.... Books think for me.
It is a thorny undertaking, and more so than it seems, to follow a movement so wandering as that of our mind, to penetrate the opaque depths of its innermost folds, to pick out and immobilize the innumerable flutterings that agitate it.
The time for thinkers has come.
There are few persons who have not, at some period of their lives, amused themselves in retracing the steps by which particular conclusions of their own minds have been attained. The occupation is often full of interest and he who attempts it for the first time is astonished by the apparently illimitable distance and incoherence between the starting-point and the goal.
The intellectual power, through words and things, Went sounding on a dim and perilous way!
