Catholic Social Justice Quotes Learn from the wisdom found in the four sources of NETWORK’s Catholic Social Justice principles: Scripture, Catholic Social Teaching, Catholic Social Tradition, and Lived Realities. Principle Be in Solidarity Embrace the Right and Responsibility to Participate Nurture the Earth Rise above Individualism Unite with Workers Uphold Human Dignity Sources Church Documents Lay People New Testament Old Testament Popes Priests/Bishops/Male Religious Women Religious Show All