Based on technological research and the transformation of nature, industrialization constantly goes forward, giving proof of incessant creativity. While certain enterprises develop and are concentrated, others die or change their location. Thus new social problems are created: professional or regional unemployment, redeployment and mobility of persons, permanent adaptation of workers and disparity of conditions in the different branches of industry.
Pope Paul VIThe task of evangelizing all people constitutes the essential mission of the Church. It is a task and mission which the vast and profound changes of present-day society make all the more urgent. Evangelizing is in fact the grace and vocation proper to the Church, her deepest identity. She exists in order to evangelize.
Pope Paul VIHaving rationally endeavored to control nature, is he not now becoming the slave of the objects which he makes?
Pope Paul VI