Closed Loop System

Famous quotes containing the words closed and/or system:

“No domain of nature is quite closed to man at all times.”
—Henry David Thoreau (1817–1862)

“The golden mean in ethics, as in physics, is the centre of the system and that about which all revolve, and though to a distant and plodding planet it be an uttermost extreme, yet one day, when that planet’s year is completed, it will be found to be central.”
—Henry David Thoreau (1817–1862)