The seed of a tree has the nature of a branch or twig or bud. It is a part of the tree, but if separated and set in the earth to be better nourished, the embryo or young tree contained in it takes root and grows into a new tree.
Source: In Isaac Asimov's Book of Science and Nature Quotations, ed. Jason Shulman & Isaac Asimov, 1988.
-- Isaac Newton, (Dec 25 1642-1727), English mathematician, philosopher; He was first to describe the laws of motion and universal gravitation; also invented the reflecting telescope, 1668.