At the border he met a great many friends again - among them Duchamp, who had established the concept of ready-made. They left Arcachon together, afew days before the Germans invaded, and travelled through Spain to Portugal. Dalí claimed: "He was terrorized by those bombardments of Paris that had never yet taken place. Duchamp is an even more anti-historic being than I; he continued to give himself over to his marvelous and heretic life, the contract with whose inactivity was for me a paroxysmal stimulant for my work."