“Nature always wears the colors of the spirit.”
The same surroundings can feel different according to the observer’s inner state, linking perception of nature with emotion and perspective.
Source details
Nature (first published 1836), Chapter I, “Nature,” in James Munroe and Company’s 1849 new-edition witness represented by Project Gutenberg #29433. A scan of the same 1849 J. Munroe edition places “Nature always wears the colors of the spirit” on printed page 9. Emerson is arguing that inward condition colors the experience of landscape; this is nineteenth-century Transcendentalist philosophy, not modern cognitive science, environmental psychology or a clinical claim.