In "Mountains Beyond Mountains," author Tracy Kidder narrates the inspiring journey of Dr. Paul Farmer, a dedicated physician and humanitarian. Farmer's passion for helping others drives his work, especially in impoverished communities around the globe. His dedication to social justice and healthcare accessibility highlights the importance of empathy and commitment in addressing global health issues.

One poignant moment on an airplane reveals Farmer's perspective on life. He states that he feels most alive when he is helping people. This sentiment encapsulates his life's mission, illustrating how his work is not just a profession but a profound source of fulfillment and purpose. Farmer's endeavors challenge the reader to reflect on what it means to live a meaningful life through service to others.