The very reason [the Greeks] got so far is that they knew how to pick up the spear and throw it onward from the point where others had left it. Their skill in the art of fruitful learning was admirable. We ought to be learning from our neighbors precisely as the Greeks learned from theirs, not for the sake of learned pedantry but rather using everything we learn as a foothold which will take us up as high, and higher, than our neighbor.

p. 30. - Philosophy in the Tragic Age of the Greeks (posthumous)