Few, if any, creatures are equally active all night.
(Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. "The Allegash and East Branch" (1864) in The Maine Woods (1864), in The Writings of Henry David Thoreau, vol. 3, p. 311, Houghton Mifflin (1906).)
(William Shakespeare (1564-1616), British dramatist, poet. Chorus, in Henry V, act 4, l. 47 (1600).
Referring to Henry's eve-of-battle tour of his army's camp, rallying his men: "The royal captain of this ruined band/Walking from watch to watch, from tent to tent,/... /That every wretch, pining and pale before,/Beholding him, plucks comfort from his looks.")