Exchange/physics

Famous quotes containing the words exchange and/or physics:

“We never exchange more than three words with a Friend in our lives on that level to which our thoughts and feelings almost habitually rise.”
—Henry David Thoreau (1817–1862)

“He who is conversant with the supernal powers will not worship these inferior deities of the wind, waves, tide, and sunshine. But we would not disparage the importance of such calculations as we have described. They are truths in physics because they are true in ethics.”
—Henry David Thoreau (1817–1862)