A resemblance of relations; an agreement or likeness between things in some circumstances or effects, when the things are otherwise entirely different. Thus, learning enlightens the mind, because it is to the mind what light is to the eye, enabling it to discover things before hidden.
A relation or correspondence in function, between organs or parts which are decidedly different.
Proportion; equality of ratios.
Conformity of words to the genius, structure, or general rules of a language; similarity of origin, inflection, or principle of pronunciation, and the like, as opposed to anomaly.
The solution of the difficulty is that the two mental pictures which experiment lead us to form - the one of the particles, the other of the waves - are both incomplete and have only the validity of analogies which are accurate only in limiting cases. Werner Heisenberg
Trouble results when the speed of growth exceeds the speed of nurturing human resources. To use the analogy of growth rings in a tree, when unusually rapid growth caused the rings to grow abnormally thick, the tree trunk weakens and is easily broken. Akio Toyoda
The principle of equity first came into evidence in Roman jurisprudence and was derived by analogy from the physical meaning of the word. Herbert Read
Art is not supposed to change the world, to change practical things, but to change perceptions. Art can change the way we see the world. Art can create an analogy. JR