„O hoje e o ontem são as pedras com que construímos.“
— Henry Wadsworth Longfellow, The Builders
Our to-days and yesterdays Are the blocks with which we build
"The Builders" in: "The Poetical Works of Henry Wadsworth Longfellow" - Página 162 http://books.google.com/books?id=RN8NAAAAQAAJ&pg=PA162, de Henry Wadsworth Longfellow, Sir John Gilbert - Publicado por G. Routledge, 1867 - 624 páginas
