Small acts, when multiplied by millions of people, can transform the world.
Context
Howard Zinn provides a democratic and empowering view of how real, large-scale change happens. This quote is an antidote to feelings of powerlessness, arguing that you don't need a grand title or massive resources to make a difference.
It highlights the exponential power of "small acts"—a kind word, a responsible choice, a helping hand. When these individual actions are "multiplied by millions," they create a tidal wave of positive change that can indeed "transform the world."
This quote instills hope and a sense of responsibility. It reminds us that our individual contribution matters and is part of a vast, collective force. It encourages us to focus on the impact we can make right where we are, trusting that it joins a mighty river of collective action.