The Life Pill Art had stumped a peak golden core stage cultivator for a hundred years, so while he believes that he can solve the problem with the life pill, he doesn't think he would have been able to do it so quickly.
He simply couldn't have figured out everything on his own, including how to forge a life pill with his own living flesh instead of that of a corpse without a fear weeks and months of study.
These are the reasons why he truly considers the patriarch a genius. Even the statement that every cultivation technique is a formation that aims to transform an individual into a higher state of existence has enlightened him.
He didn't see it before, but now he does. The human body is the foundation or base of the formation. It is just like a sword on which arrays are drawn in order to enhance some attributes that it has or enchant it with some attributes it doesn't have.
