The 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 VINo member of the faithful could possibly deny that the Church is competent in her magisterium to interpret the natural moral law.
Pope Paul VI