It is so needful we should remember their existence, else we may happen to leave them quite out of our religion and philosophy and frame lofty theories which only fit a world of extremes.

我们非常需要记住它们的存在，否则我们可能会碰巧将它们完全排除在我们的宗教和哲学之外，并构建只适合极端世界的崇高理论。