Physical Tree Topology

Famous quotes containing the words physical and/or tree:

“Theory may be deliberate, as in a chapter on chemistry, or it may be second nature, as in the immemorial doctrine of ordinary enduring middle-sized physical objects.”
—Willard Van Orman Quine (b. 1908)

““Where the tree of knowledge stands, there is always paradise”: thus speak the oldest and the youngest serpents.”
—Friedrich Nietzsche (1844–1900)