The intelligence is proved not by ease of learning, but by understanding what we learn. Joe Whitney More Quotes by Joe Whitney More Quotes From Joe Whitney When there is no feeling of accomplishment, children fail to develop properly and old people rapidly decline. Joe Whitney accomplishment children people Even the strongest personality will regress and eventually may disintegrate if there is no incentive (other than threat of punishment) for the work he does. When there is no feeling to accomplishment, children fail to develop properly and old people rapidly decline. Joe Whitney punishment work children