"we don t know what the world will be like in 20 years to say nothing of in 100 years" in German We don't know what the world will be like in 20 years, to say nothing of in 100 years. Wir wissen nicht, wie die Welt in 20 Jahren aussieht, geschweige denn in 100 Jahren. Detailed translations for "we don t know what the world will be like in 20 years to say nothing of in 100 years" We don't know what the world will be like in 20 years, to say nothing of in 100 years. We don't know what the world will be like in 20 years, to say nothing of in 100 years. Wir wissen nicht, wie die Welt in 20 Jahren aussieht, geschweige denn in 100 Jahren.