(This quote speaks to me in many ways. It's a quotation full of mixed emotions. Nothing lasting forever is both positive and negative. When going through heartbreak and sadness, it doesn't last forever, though it feels like it will. When going through love and happiness, you want it to last forever, but the reality kicks in soon enough.)
(Frederick The Great (1712-1786), Prussian king. Attributed.
Alleged call, June 18, 1757, when rallying his troops at Kolin, Bohemia. Similar words are attributed to Gunnery Sergeant Daniel Daly of the U.S. Marines, who, at Belleau Wood in France, June 4, 1918, is said to have shouted, "Come on you sons of bitches! Do you want to live for ever?")
(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. 278, Houghton Mifflin (1906).)