you can't step in the same river twice.

the game -ned johnson

The challenge of one's business gets sharper and sharper and the enjoyment factor seems to get larger. Maybe that's because the many rigidities that seem so important during middle age fade as one gets on. One realizes it's the game itself and not the prize or lack of it that counts.

The Half-Marathon of Doom (hilarious, but not motivating)

The Half-Marathon of Doom