 Secondly, even when their focus is on the philosophy of religion, they approach this topic in a non-dogmatic and often surprisingly non-sectarian manner, drawing on and reinterpreting, for example, Christian sources along with Buddhist ones. Even Nishitani, who did in fact come to identify his thought with “the standpoint of Zen,” adamantly refused the label of a “natural theologian of Zen.” He claimed that: “If I have frequently had occasion to deal with the standpoints of Buddhism, and particularly Zen Buddhism, the fundamental reason is that [the original form of reality and the original countenance of human being] seem to me to appear there most plainly and unmistakably” (NKC X, 288; Nishitani 1982, 261).