The quote reflects on the ephemeral nature of life, emphasizing how easily moments and experiences slip away from our consciousness even as they unfold. It suggests that amidst the busyness of life, many thoughts and experiences are overlooked, creating a sense of loss regarding the present.
In this context, McEwan highlights the often disregarded yet extraordinary aspects of existence, urging readers to appreciate the miracle of being alive. The mundanity of daily life can overshadow significant experiences, leading to a profound sense of realization about what it means to truly live and remember.