Evangelii Nuntiandi §26

26. It is not superfluous to recall the following points: to evangelize is first of all to bear witness, in a simple and direct way, to God revealed by Jesus Christ, in the Holy Spirit, to bear witness that in His Son God has loved the world - that in His Incarnate Word He has given being to all things and has called men to eternal life. Perhaps this attestation of God will be for many people the unknown God[55] whom they adore without giving Him a name, or whom they seek by a secret call of the heart when they experience the emptiness of all idols. But it is fully evangelizing in manifesting the fact that for man the Creator is not an anonymous and remote power; He is the Father: "...that we should be called children of God; and so we are."[56] And thus we are one another's brothers and sisters in God.

55. Cf. Acts 17:22-23.

56. 1 Jn 3:1; cf. Rom 8:14-17.