The quote "My past was a private obstacle, not a public excuse" from Kelley Armstrong's book "Stolen" emphasizes the theme of personal accountability. It suggests that an individual recognizes their past experiences as challenges to overcome rather than reasons to justify current behavior. This perspective encourages the idea that one should take responsibility for their actions regardless of their history.

This mindset reflects a deeper understanding of identity and resilience, indicating that while one's background may present difficulties, it should not serve as a barrier to progress or a means to excuse shortcomings. Instead, it advocates for personal growth and empowerment through confronting and learning from past obstacles.