Meaning: The quote you've provided is a powerful statement about the relationship between individual rights, social factors, and private property. Let's break down the quote and analyze its meaning in detail.

The quote begins with the assertion that "Each man has an equal social right to multiply his power of motion by all the social factors of civilization." This suggests that every individual should have the opportunity to enhance their ability to act and impact society through the utilization of the resources and advancements that civilization offers. It implies that access to these social factors is a fundamental right that should be equally available to all members of society. These social factors can include education, technology, infrastructure, and other resources that contribute to an individual's capacity to participate in and benefit from the advancements of civilization.

The quote then takes a critical stance on the concept of private property in these social factors, claiming that it is inconsistent with the fundamental right of individuals to multiply their power of motion. Private property in this context refers to the ownership and control of resources, means of production, and other social factors by individuals or entities. The quote suggests that when these social factors are held as private property, it contradicts the equal social right of individuals to access and benefit from them. This viewpoint challenges the traditional notion of private ownership and emphasizes the potential negative consequences of such ownership on the broader social fabric.

The quote goes on to assert that the existence of private property in these social factors "must, obviously, prove a source of economic despotism and industrial slavery." This is a strong statement that highlights the perceived detrimental effects of private ownership of social factors. It suggests that when certain individuals or entities control and monopolize these resources, it can lead to economic oppression and a form of servitude within the industrial landscape. This viewpoint aligns with the broader critique of economic inequality and exploitation, emphasizing the potential for concentrated ownership to result in unjust power dynamics and social injustices.

Attributed to Daniel Leon, an activist, this quote reflects a perspective rooted in social justice and economic equality. It challenges the traditional notions of property rights and ownership, advocating for a more equitable distribution of social factors and resources within society. The emphasis on the potential for economic despotism and industrial slavery underscores the urgency of addressing issues related to ownership and control of resources in the context of broader social and economic justice.

In conclusion, the quote by Daniel Leon offers a thought-provoking perspective on the relationship between individual rights, social factors of civilization, and private property. It raises important questions about the equitable distribution of resources and the potential consequences of concentrated ownership. This quote encourages critical reflection on the dynamics of power and control within society, highlighting the importance of considering the impact of private property on social justice and economic equality.