This fatal desire has its origin in the very nature of man-in that primitive , universal , and insuppressible instinct that impels him to satisfy his desires with the least possible pain .
In adso 's narration , he received the knowledge-craze from the monk in the abbey , also the tirelessly pursue of books , the incomprehensible infatuation of parchment , the pursuit after a poisonous book , and the incessant shock on body and psychology from the insuppressible desire .