He is best known for his advocacy of religious pluralism, which is radically different from the traditional Christian teachings that he held when he was younger.
ويشتهر هيك خاصة بتأييده للتعددية الدينية والتي تختلف جذريا عن التعاليم المسيحية التقليدية التي اعتقدها في شبابه.