Thinking by analogy is not to be despised. Analogy has this merit, that it does not settle things - does not pretend to be conclusive. On the other hand, that induction is pernicious which, with a preconceived end in view, and working right forward for only that, drags in its train a number of unsifted observations, both false and true.
In: John Stuart Blackie, The Wisdom of Goethe, Philosophy, Metaphysics, Logic, Truth and Science (p. 167)