“The drive to knowledge has become too strong for us to be able to want happiness without knowledge or of a strong, firmly rooted delusion; even to imaginesuch a state of things is painful to us! Restless discovering and divining has such an attraction for us, and has grown as indispensable to us as is to the lover his unrequited love, which he would at no price relinquish for a state of indifference – perhaps,indeed, we too are unrequited lovers.”