20. Bhikkhus, these two things are conducive to the confusion and disappearance of the Good Teaching. What two? It is the displacement of words and letters that do not convey the meaning and the displaced words and letters not conveying the meaning to the necessary end. Bhikkhus, these two things are conducive to the confusion and the disappearance of the Good Teaching.

21 Bhikkhus, these two things are conducive to the nonconfusion and nondisappearance of the Good Teaching. What two? It is the correct placement of words and letters that convey the meaning and the nondisplaced words and letters conveying the meaning to the necessary end. Bhikkhus, these two things are conducive to the nonconfusion and the nondisappearance of the Good Teaching.