But, meanwhile, I read the poem very simply. The light shines on the lowly squirrel in the far away and desolate Himalayas no less than it does on a human in Amherst. The ancient Greek philosophers were also aware of this immortal key to man's spiritual evolution.
Truth is the same yesterday, today and forever.
The kingdom of God is within you. Some Hours in the Day. Precisely, as to you. I may be way off on this one and would appreciate any enlightenment. My take on this poem is pretty close to yours.