Tertullian (A.D. 155-225) wrote: “It is to be believed because it is absurd,” and “It is certain because it is impossible.” Saint Augustine (A.D. 354-430) paraphrased it as: “I believe because it is impossible.” Voltaire wrote: “To believe in God is impossible; not to believe in him is absurd.” 李敖在复旦大学回答问题时说:“因为荒谬,所以真实。”