There was only one catch and that was Catch-22, which specified that a concern for one's safety in the face of dangersthat werereal and immediate wastheprocess of a rational mind.Orr was crazy and could be grounded. All hehad to dowas ask; and as soon ashe did, he would no longer be crazyand would have to fly more missions. Orr would be crazy to fly more missions and sane if he didn't, but if he was sane he had to fly them. If he flew them he was crazy and didn't have to; but if he didn't want to he was sane and had to.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.joseph heller: 1961Catch-22, ch.5.