“Arthur Koestler, "Mahatma Gandhi-Yogi and Commissar, a Re-Valuation". Sunday Times, 10/5/69. in Koestler: The Literary and Political Odyssey of a Twentieth-Century Skeptic, Michael Scammell. Essay republished in Arthur Koestler - The Heel of Achilles_ Essays 1968-1973 (1974, Random House (NY))”

Source: Wikiquote