The quote emphasizes the importance of living authentically and making the most of our one chance at life. It suggests that while we may be influenced by others, ultimately, we must embrace our individuality and make choices that resonate with our true selves. This notion serves as a reminder that each person's journey is unique, and fulfilling it requires personal courage and commitment.

In the context of the book "Birdsong" by Sebastian Faulks, this message resonates deeply as characters navigate the trials of life, war, and love. The story portrays their struggles and the choices they face, underlining the theme that life's fleeting nature urges us to seize opportunities and create our own paths, regardless of external expectations or pressures.