“Those who adhere to the past won't be able to cope with the future.”
Willy Brandt (1913–1992) German social-democratic politician; Chancellor of the Federal Republic of Germany
Die Zukunft wird nicht gemeistert von denen, die am Vergangenen kleben.
speech at the extraordinary convention of the Social Democratic Party of Germany on 18 November 1971, book source: "Reden und Interviews: Herbst 1971 bis Frühjahr 1973", Hoffmann und Campe, 1973, p. 25.