Legend has it that Robert the Bruce of Scotland was losing the battle and he barely escaped with his life. His soldiers were hard pressed to keep up the fight as many were wounded and dying. The Bruce, tired, dismayed and broken-hearted found a hidden cave where he took refuge.
He threw down his sword and sat to rest a while. Gloomy thoughts filled his mind and he reflected on the insurmountability of the task he had tried to accomplish. Perhaps Scotland would never be free — at least not in his lifetime. Perhaps he should abandon all efforts, give it up and lead an obscure life as a fugitive.
As these thoughts raced through his mind, out of the corner of his eye, he noticed a tiny spider trying to climb a strand of web that extended from the top of the cave almost to the floor. Up went the spider and just a few feet from the top, it slipped and fell all the way down.
Over and over again the spider repeated the process as the exhausted Bruce watched, fascinated by the perseverance of the little life form. Once again the spider climbed, this time almost reaching the top. Again it slipped and fell to the floor of the cave. Now with rapt attention,...