1. Groups of One Reverends, one thing is helpful, one thing should be developed, one thing should be completely understood, one thing should be given up, one thing makes things worse, one thing leads to distinction, one thing is hard to comprehend, one thing should be produced, one thing should be directly known, one thing should be realized. <em>What one thing should be given up?</em> The conceit ‘I am’. <em>What one thing makes things worse?</em> Irrational application of mind. <em>What one th