Truly, this earth is a trophy cup for the industrious man. And this rightly so, in the service of natural selection. He who does not possess the force to secure his Lebensraum in this world, and, if necessary, to enlarge it, does not deserve to possess the necessities of life. He must step aside and allow stronger peoples to pass him by.

Speech to officer cadets at the Berlin Sportpalast, 18 December 1940. Domarus, Max (1997). Hitler: Speeches and Proclamations, 1932-1945 (English Volume III: 1939-1940). Bolchazy-Carducci Publishers. p. 2162. ISBN 0865166277.