"the future will resemble the past" . "premise" . "principle of the uniformity of nature" . . "theory" . "Lyellian uniformitarianism" . . "Uniformitarianism" . . . "Uniformity of nature" . . . "geology's uniformitarianism" . . "gradual processes" . "Uniformitarian" . "Uniformitarians" . "uniformitarians" . . "uniformitarian" . . "Uniformitarian Principle" . "geological change" . . "uniformity of nature" . "Uniformitarianism" . . . "uniformitarianism" . . "uniform processes" . "in geology" . . "constancy of nature's laws" . .