Theory (n.) is scaffolding, to be dropped the moment something nearer the unknown reality is at hand.
A Theory (n.) may revise itself without disgrace, so long as each correction enriches rather than cancels what came before.
Theory (n.) is a speculative superstructure in psychoanalysis; any part of it can be dropped without regret once shown inadequate.
Theory (n.) need not be simple at the first attempt; its complications may lead in the end to a state of affairs simple in itself that accounts for all the complications of reality.
Theory (n.) contradicted by a case should not be dropped at once: wrong views of patients usually come from not studying them thoroughly enough.
A Theory (n.) does not fall ready-made from the sky; one that arrives complete at the start is a child of speculation.
Theory (n.) is fine, said Charcot, but it does not stop things from existing.
A Theory (n.) not yet confirmed is not thereby refuted, Freud reminded critics who used the war neuroses against him.
A Theory (n.) pays its way when it returns from grey abstraction to the perpetual green of experience.
Theory (n.) that is new and unpleasant is fought for a generation and then buried in Westminster Abbey — resistance is affective, merely dressed in arguments.