The call to action, "If you want peace, work for justice," was famously delivered by Pope Paul VI in his message for the World Day of Peace on January 1, 1972. This profound statement emerged from a papacy deeply concerned with global social issues, following the Second Vatican Council which encouraged the Church to engage more directly with the modern world. Pope Paul VI inaugurated the annual World Day of Peace in 1967, and his subsequent messages consistently highlighted the intrinsic link between human dignity, development, and a lasting peace. He recognized that true peace was more than just the absence of warfare; it required a fundamental addressing of the injustices that fueled conflict.

The deeper meaning of this quote lies in its challenge to a superficial understanding of peace. It argues that tranquility achieved through suppression or a mere balance of power is precarious and unsustainable. Instead, Pope Paul VI posited that genuine peace, a "sincere feeling for man," is rooted in true respect for every individual's worth and the equitable distribution of resources and opportunities. He observed a world rife with economic disparity, where the rich grew richer and the poor struggled with hunger, disease, and ignorance, warning that such extreme inequality jeopardized civil and global peace.

This insight remains profoundly relevant today, echoing in calls for social justice across various movements worldwide. From advocating for human rights to addressing systemic inequalities in education, economics, and healthcare, the quote urges us to tackle the root causes of unrest rather than merely patching over symptoms. Historically, it underpinned efforts to promote the development of peoples, as articulated in his encyclical "Populorum Progressio," which championed the idea that integral human development is the new name for peace. By demanding that we actively work to dismantle oppressive structures and foster equitable conditions, Pope Paul VI's words serve as a timeless reminder that a just world is the only foundation (Review) upon which true and lasting peace can be built.