Physical Tree Topology

Famous quotes containing the words physical and/or tree:

“The preservation of health is a duty. Few seem conscious that there is such a thing as physical morality.”
—Herbert Spencer (1820–1903)

“Here is a hero who did nothing but shake the tree as soon as the fruit was ripe. Does this seem to be too small a thing to you? Then take a good look at the tree he shook.”
—Friedrich Nietzsche (1844–1900)