when transgression had once gained a start, men became involved in that corruption which was their nature, and were deprived of the grace which they … - Athanasius of Alexandria

Three ways thus lay open to them, by which they might obtain the knowledge of God. They could look up into the immensity of heaven, and by pondering the harmony of creation come to know its Ruler, the Word of the Father, Whose all-ruling providence makes known the Father to all. Or, if this was beyond them, they could converse with holy men, and through them learn to know God, the Artificer of all things, the Father of Christ, and to recognize the worship of idols as the negation of the truth and full of all impiety. Or else, in the third place, they could cease from lukewarmness and lead a good life merely by knowing the law. For the law was not given only for the Jews, nor was it solely for their sake that God sent the prophets, though it was to the Jews that they were sent and by the Jews that they were persecuted. The law and the prophets were a sacred school of the knowledge of God and the conduct of the spiritual life for the whole world.

He gives them a share in His own Image, our Lord Jesus Christ, and makes them after His own Image and after His likeness: so that by such grace perceiving the Image, that is, the Word of the Father, they may be able through Him to get an idea of the Father, and knowing their Maker, live the happy and truly blessed life.

And this was the wonderful thing that He was at once walking as man, and as the Word was quickening all things, and