During the 1950s, determined to give his time and energy to any cause he thought needed him, Sartre overstretched himself alarmingly. This led to some of his most foolish and reprehensible moments, as when he travelled to the Soviet Union at the invitation of an organisation of Russian writers in May 1954, and afterwards published a series of articles suggesting, for example, that Soviet citizens did not travel because they had no desire to do so and were too busy building Communism.
