There never was a sounder logical maxim of scientific procedure than Ockham's razor: Entia non sunt multiplicanda praeter necessitatem. That is to say; before you try a complicated hypothesis, you should make quite sure that no simplification of it will explain the facts equally well.
Charles Sanders Peirce, Patricia Ann Turrisi (1997). “Pragmatism as a Principle and Method of Right Thinking: The 1903 Harvard Lectures on Pragmatism”, p.162, SUNY Press
