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Theory of selection /.../ leaves untouched all that can be inferred from the existence of the conditions which make organic evolution possible: matter which lives, multiplies, and varies ; an environment which possesses the marvellously complex constitution required to make these processes possible. /.../ it cannot produce either the original environment or the original living matter. These must be due either to luck or to contrivance; and, if they be due to luck, the luck is great. How great we cannot say. (en) |