Physical Tree Topology

Famous quotes containing the words physical and/or tree:

“The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals.”
—Thomas Henry Huxley (1825–95)

“You are wind in a stark tree,
you are the stark tree unbent,
you are a strung bow,
you are an arrow.”
—Hilda Doolittle (1886–1961)