using the curves and information from his numerous and varied notations about how many strides there was between prominent hill tops and crags , about the size of a man compared to his thumb when on top of a hill compared to when standing level with him on the beach , about the stars seen in the sky , about the changes in the compass as he did all these thingsnotations which he has jotted down not knowing even then why , just knowing that he must ... telling brok that during these three days as he worked with the new maps so had he discovered and discerned how to , see as our father wants us to see !