Plato's philosophy is a dignified preface to future religion.
(Friedrich Von Schlegel (1772-1829), German philosopher. Idea 27 in Selected Ideas (1799-1800), translated by Ernst Behler and Roman Struc, Dialogue on Poetry and Literary Aphorisms, Pennsylvania University Press (1968).)
The constant abrasion and decay of our lives makes the soil of our future growth.
(Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. A Week on the Concord and Merrimack Rivers (1849), in The Writings of Henry David Thoreau, vol. 1, p. 375, Houghton Mifflin (1906).)