To work and create 'for nothing', to sculpture in clay, to know that one's creation has no future, to see one's work destroyed in a day while being aware that fundamentally this has no more importance than building for centuries- this is the difficult wisdom that absurd thought sanctions. Performing these two tasks simultaneously, negating on one hand and magnifying on the other, is the way open to the absurd creator. He must give the void its colors.

Soon after the event on 6 August 1945 he was one of the few French editors to publicly express opposition and disgust to the United States' dropping the atomic bomb in Hiroshima. His views contributed to the rise of the philosophy known as absurdism. To distinguish his ideas scholars sometimes refer to the Paradox of the Absurd when referring to "Camus's Absurd".

In an interview in 1945 Camus rejected any ideological associations: "No I am not an existentialist. Sartre and I are always surprised to see our names linked. In 1949 Camus founded the Group for International Liaisons within the Revolutionary Union Movement after his split with Garry Davis's Citizens of the World movement of which the surrealist André Breton was also a member.