A young man, who was an avid golfer, found himself with a few hours to spare one afternoon. He figured if he hurried and played very fast, he could get in 9 holes before he had to head home.
Just as he was about to tee off, an old gentleman shuffled onto the tee and asked if he could accompany the young man. Not being able to say no, he allowed the old gent to join him. To his surprise, the old man played fairly quickly. He didn't hit the ball far, but plodded along consistently and didn't
waste much time.
Finally, they reached the 9th fairway and the young man found himself with a tough shot. There was a large pine tree directly
between his ball and the green.
After the young man spent several minutes debating how to hit the shot, the old man said, "You know, when I was your age I'd hit the ball right over that tree." With that challenge placed before him, the youngster swung hard and hit the ball, which smacked solidly into the tree and dropped to the ground about one foot from where it had originally lay.
The old man remarked, "Of course, when I was your age that pine tree was only 3 feet tall." 
