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)

“A pinecone does not fall far from the tree trunk.”
—Estonian. Trans. by Ilse Lehiste (1993)