"Hear now the intent of our reply. We said: O you who engage in
theoretical speculation using the first notions that may occur to you
and come to your mind and who consider withal that you may understand
a book that is the guide of the first and last men while glancing
through it as you would glance through a historical work or a piece of
poetry--when, in some of your hours of leisure, you leave off drinking
and copulation: collect yourself and reflect, for things are not as you
thought following the first notion that occurred to you, but rather
as is made clear through reflection upon the following speech."