Yossarian was moved very deeply by the absolute simplicity of this clause of Catch-22 and let out a respectful whistle.'That's some catch, that Catch-22,' he observed.'It's the best there is,' Doc Daneeka agreed. Yossarian saw it clearly in all its spinning reasonableness. There was an elliptical precision about its perfect pairs of parts that was graceful and shocking, like good modern art, and at times Yossarian wasn't quite sure he saw it at all, just the way he was never quite sure about good modern art or about the flies Orr saw in Appleby's eyes. He had Orr's word to take for Appleby's eyes.