To a dull mind all of nature is leaden. To the illumined mind the whole world burns and sparkles with light.

I honor health as the first Muse.

The possibility of interpretation lies in the identity of the observer with the observed. Each material thing has its celestial side; has its translation, through humanity, into the spiritual and necessary sphere, where it plays a part as indestructible as any other.

The lover of nature is he whose inward and outward senses are still truly adjusted to each other; who has retained the spirit of infancy even into the era of manhood. His intercourse with heaven and earth, becomes part of his daily food. In the presence of nature, a wild delight runs through the man, in spite of real sorrows.

This knot of nature is so well tied that nobody was ever cunning enough to find the two ends.

though the wide universe is full of good, no kernel of nourishing corn can come to him but through his toil bestowed on that plot of ground which is given to him to till.

No man thoroughly understands a truth until he has contended against it.