This quote suggests that success is not measured by the accumulation of wealth, power, or fame, but rather by the positive impact one can have on another person’s life. The idea here is that making a difference, however small it may seem, is a genuine and meaningful form of success. The "one person’s life" could be anyone – a friend, a family member, a stranger, or even oneself.

This perspective is a humanistic and compassionate one, placing value on empathy, kindness, and positive influence. It challenges the common societal norms of success, which often prioritize individual achievements and materialistic gains.

In today’s world, this idea is highly relevant. In a society often consumed by ambition and competition, this quote encourages us to shift our focus towards improving the lives of others. This could be through volunteering, charity work, or simply being there for someone in need. It could also mean using our skills, knowledge, or resources to help others.

In terms of personal development, this quote can be a guide to living a meaningful and fulfilling life. It encourages us to cultivate qualities like empathy, compassion, and generosity. It suggests that our personal growth is tied to our ability to positively influence the lives of others. It’s about developing a sense of purpose that extends beyond our own interests and desires, and contributing to the well-being of others.

In essence, the quote is about redefining success in a more altruistic and compassionate way. It’s about recognizing that our actions, no matter how small, can have a significant impact on others. It’s a call to action to make the world a better place, one person at a time.