Through Him all things were made, and without Him nothing was made that has been made.
3. All things were made by him. Having affirmed that the Speech is God, and having asserted his eternal essence, he now proves his Divinity from his works. And this is the practical knowledge, to which we ought to be chiefly accustomed; for the mere name of God attributed to Christ will affect us little, if our faith do not feel it to be such by experience.
Austin says (de Civitate Dei, lib. 10, cap. 29) that his friend Simplicius told him he had heard a Platonic philosopher say that these first verses of St. John's gospel were worthy to be written in letters of gold. The learned Francis Junius, in the account he gives of his own life, tells how he was in his youth infected with loose notions in religion...
Commenting on John 1:1-5
Verse 3. All things. The universe. The expression cannot be limited to any part of the universe. It appropriately expresses everything which exists--all the vast masses of material worlds, and all the animals and things, great or small, that compose those worlds. See . Were made. The original word is from the verb to be, and signifies "were" by him; but it expresses the idea of creation here.