Many half-dead people like me have managed to recover and survive; so O physician, why grieve if my destined lifespan from the heavens has come to an end?

In this couplet, the poet offers gentle, philosophical comfort to his worried physician. He reminds the doctor that many people hanging between life and death have miraculously pulled through, so the treatment isn't inherently flawed; yet, if his destined span of life has simply reached its end from above, there is no reason to mourn. It is a poignant expression of surrender and calm acceptance, freeing the healer from guilt and viewing mortality without fear.