The words from this paragraph from The Calypso Borealis that best show Muir's naturalist philosophy are the last ones:
"Welcomed as friends"
In the whole passage, the author shows us how deeply connected the character was with nature. It is very clear when Muir says: "With one of these large backwoods loaves I was able to wander many a long wild fertile mile in the forests and bogs, free as the winds, gathering plants, and glorying in God's abounding inexhaustible spiritual beauty bread."
Winds, plants, storms the woods, everything was perceived by Muir as loving friends cohabiting the beautiful world.