Men's ideas are the most direct emanations of their material state.
It is not so much for its beauty that the forest makes a claim upon men's hearts as for that subtle something that quality of air that emanation from old trees that so wonderfully changes and renews a weary spirit.
One of the most beautiful passages of Rousseau is that in the sixth book of Confessions where he describes the awakening in him of the literary sense. Of such wisdom the poetic passion the desire of beauty the love of art for its own sake has most.