General Audience of October 31, 1979
Adam continuously distinguished himself from all of the other living beings in the world by cultivating the garden and by naming everything and finding nothing the same as himself. The first is a bodily action, and the second is metaphysical. Once again, we see the body and the spirit at play. In his original solitude, man is both a bodily actor and a metaphiscal thinker. He is the complete picture of human-ness only when his body and his spirit are both present. The visible and the invisible determine man.
With this understanding of his humanity, Adam must contemplate the tree of the knowledge of good and evil and God's words about it. As a backdrop to this contemplation, Adam is also aware of himself as the subject of the first covenant with the Creator. That's a lot to take in all at once!
At this point in time, could Adam even understand the enormity of what was before him? Could he understand death? Death is the antithesis of all he had experienced thus far. He lived in the primeval garden, suffused with knowledge of God and surrounded by life. What could death mean?