AdaptationThe morphological and physiological differentiation of the plant-body has, so far, been attributed to (I) the nature of the organism, that is to its inherent tendency towards higher organization, and (2) to the indefinite results of the external conditions acting as a stimulus which excites the organism to variation, but does not direct the course of variation.
A physical occurrence is but the occasion (opportunity, occasional cause) on which God excites in me a corresponding mental state; the exercise of my will is the occasion on which God moves my body.
One fact or perception is discovered by experience to be uniformly or generally accompanied by another, and its occurrence therefore naturally excites the idea of that other.
The change which excites them is termed a stimulus.
The evidence, However, afforded (a) by the parallel version of Deuteronomy and (b) by the literary analysis of J and E not only fails to support this tradition, but excites the gravest suspicions as to the originality both of the form and of the position in which the Decalogue now appears.