Mindfulness and situational awareness. <em>What two things should be realized?</em> Knowledge and freedom. So these twenty things that are true, real, and accurate, not unreal, not otherwise were rightly understood by the Realized One. <em>What two things should be developed?</em> Serenity and discernment. <em>What two things should be completely understood?</em> Name and form. 3. Groups of Three Three things are helpful, etc.