Since the rest of us can't read minds, we are more influenced by the actions of others than by their thoughts.
This is pretty safe because people do tend to act on their most dearly held thoughts and beliefs.
Thoughts don't really change the world the way the actions they influence do.
Answer:
Thoreau is saying that it makes no sense for a simple man, who had nothing to do with the formation of such a beautiful pond, to name the pond. Giving the pond such a simple name as "Flint's Pond" is discrediting all of the beautiful animals and beings who dwell there such as the ducks, the fish, and the beautiful flowers. The pond was named in the selfish thought of money, rather than majesty.
Powerpoint?? or google slides?
Literary images are enhanced by the use of blank language.