When science is treated as the sole source of truth, then it becomes scientism. Philosopher Wilfrid Sellars expressed a commitment to scientism when he said, “Science is the measure of all things.” Bertrand Russell tipped his hand in his remark, “What science cannot discover, mankind cannot know.” 30 The assumption is that whatever cannot be known by science is not real. But consider: Is that statement itself a fact discovered by science? Clearly not. It goes beyond anything science could possibly establish. It is a metaphysical assumption, an arbitrary definition of what counts as genuine
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