What isthe shortest word in the English language that contains the letters: abcdef? Answer: feedback. Don't forget that feedback isone of the essential elements of good communication.
Changemeans movement. Movement means friction. Only in the frictionless vacuum of anonexistent abstract world can movement or change occur without that abrasivefriction of conflict.
The ear tends to be lazy, craves the familiar and is shocked by the unexpected; the eye, on the other hand, tends to be impatient, craves the novel and is bored by repetition.
