"Thou art more! thou art higher! thou hast a different origin!"—this may be a strange and foolish task, but that it is a TASK, who can deny! Why did we choose it, this foolish task? Or, to put the question differently: "Why knowledge at all?" Every one will ask us about this. And thus pressed, we, who have asked ourselves the question a hundred times, have not found and cannot find any better answer....

231. Learning alters us, it does what all nourishment does that does not merely "conserve"—as the physiologist knows. But at the bottom of our souls, quite "down below," there is certainly something unteachable, a granite of spiritual fate, of predetermined decision and answer to predetermined, chosen questions. In each cardinal problem there speaks an unchangeable "I am this";