CCC 39
Profession of Faith›SECTION ONE "I BELIEVE" - "WE BELIEVE"›CHAPTER ONE MAN'S CAPACITY FOR GOD›IV. How Can We Speak about God?
In defending the ability of human reason to know God, the Church is expressing her confidence in the possibility of speaking about him to all men and with all men, and therefore of dialogue with other religions, with philosophy and science, as well as with unbelievers and atheists.