Each phase of nature, while not invisible, is yet not too distinct and obtrusive. It is there to be found when we look for it, but not demanding our attention. It is like a silent but sympathizing companion in whose company we retain most of the advantages of solitude … –Henry David Thoreau, Journal, November 8, 1858
— from The Best of Being in The Balsamean blog on March 11, 2013.
For further exploration of Henry David Thoreau:
See Walden, The Ken Burns Film (22 minutes)
Visit the ultimate collection of Thoreau Quotations.
Read the Aldo Leopold Nature Center Featured Scientists post on Thoreau. Excerpt: “This March  at the Aldo Leopold Nature Center, we are focusing on phenology and all the spring changes happening on our trails. So, while not strictly a scientist, Henry David Thoreau (July 12, 1817 – May 6, 1862) is our March feature because of his famous record-keeping and interest in natural history.”
The Forest History Society (FHS) has a great article, Reclaiming Henry David Thoreau, Forest Historian in their blog Peeling Back the Bark, by James Lewis On July 12, 2017. FHS is a terrific organization, supported and promoted by The Balsamean, one of his favorite charities.