But thoughts of this sort were chased away by others. One of those moments had arrived: Jack had been presented with the opportunity to be stupid in some way that was much more interesting than being shrewd would've been. These moments seemed to come to Jack every few days. They almost never came to Bob, and Bob marveled that two brothers, leading similar lives, could be so different that one of them had the opportunity to be reckless and foolish all the time while the other almost never did. Jack had been expecting such a moment to arrive today. He'd supposed, until moments ago, that it had already come: namely, when he decided to mount the horse and ride after the ostrich. But here was a rare opportunity for stupidity even more flagrant and glorious.