"But perhaps I have overlooked something, or misunderstood something?" said to myself several times. "It cannot be that this condition of despair is natural to man!" And I sought for an explanation of these problems in all the branches of knowledge acquired by men. I sought painfully and long, not from idle curiosity or listlessly, but painfully and persistently day and night - sought as a perishing man seeks for safety - and I found nothing. I sought in all the sciences, but far from finding what I wanted, became convinced that all who like myself had sought in knowledge for the meaning of life had found nothing. And not only had they found nothing, but they had plainly acknowledged that the very thing which made me despair - namely the senselessness of life - is the one indubitable thing man can know. I sought everywhere; and thanks to a life spent in learning, and thanks also to my relations with the scholarly world, I had access to scientists and...