Where now through space he moves from rest to rest.
Man, therefore, thus conditioned, must expect
He could not, what he knows now, know at first;
What he considers that he knows to-day,
Come but to-morrow, he will find misknown;
Getting increase of knowledge, since he learns
Because he lives, which is to be a man,
Set to instruct himself by his past self:
First, like the brute, obliged by facts to learn,
Next, as man may, obliged by his own mind,