It is somewhere written down that many years ago a rider on horseback approached a group of soldiers attempting unsuccessfully to move a heavy piece of timber. A corporal was observed standing nearby, hands on hips, barking the order, "Heave. Heave." Despite repeated efforts, the soldiers were unable to accomplish the task. Apparently of the mind that the situation hinged upon his determined commands, the corporal persisted, "Heave. Heave." Addressing the corporal, the horseman asked, "Why don't you help them?" Straightening himself, the corporal snapped, "Because I am a corporal." The horseman dismounted, joined the soldiers and provided the extra muscle necessary to move the timber. He then climbed back upon his horse, looked the corporal in the eyes and said, "The next time your men nee…