At The Extremes

Orthodoxy enables more radical ideas.  It provides a secure anchor, a base from which those ideas can progress and a ground to which they can be drawn (at times reluctantly) back, and from which they can again proceed.  The other aspect is that heterodoxy offers the perhaps vicarious exploration that (as reluctantly) draws tradition forward, as much a brake on retrogression as is tradition on an impulsive flight forward.  There may be no need for either end of the spectrum to welcome the presence of the other, though acknowledging the service provided might make co-existing a less trying task.