Most people who care about improving society focus on either changing institutions or changing other people. But I’m interested in a third path. This is the foundation for what I call spillover altruism: the practice of strategically changing oneself to create positive externalities for others, making it easier for them to live fuller, richer lives.

Daniel Frank, Towards a theory of spillover altruism: a framework for community flourishing, not not Talmud, June 17, 2025, p. 1