I think is precisely because it allows you to give back and to consider yourself not as a single individual who may have achieved whatever, but to be a part of an ongoing historical movement.
Angela Davis, American political activist & academic
This quote is saying that activism is valuable because it provides the opportunity to contribute to something greater than oneself and to be a part of a larger, historical movement. The speaker believes that activism allows individuals to see themselves not just as isolated individuals who have achieved personal success, but as part of a larger community working towards a common goal. The quote emphasizes the idea that activism helps individuals feel connected to something larger than themselves and to see their actions as part of a larger historical narrative.