What is the origin of One of the deep secrets of life is that all that is really worth the doing is what you do for others Lewis Carroll?

This quote by Lewis Carroll emphasizes the idea that the most meaningful actions in life are those done for the benefit of others, rather than for personal gain. It suggests that true fulfillment and significance are found in selfless acts and in making a positive impact on the lives of others. Carroll's perspective aligns with the concept of altruism and the importance of empathy and compassion in our interactions with others.