Summary
This quote implies that questioning the worth of life is a complexity unique to self-aware human beings, rather than something an unborn creature like an embryo would contemplate. It suggests that once a person gains conscious awareness and experiences the ups and downs of life, they may naturally question the value or purpose of it. In essence, the quote conveys the idea that contemplating life's worth is a reflection on the complexities of the human existence, beyond basic biological beginnings.