1. The student must FIRST obtain a thorough knowledge of "Book 777", especially of columns i., ii., iii., v., vi., vii., ix., xi., xii., xiv., xv., xvi., xvii., xviii., xix., xxxiv., xxxv., xxxviii., {14} xxxix., xl., xli., xlii., xlv., liv., lv., lix., lx., lxi., lxiii., lxx., lxxv., lxxvii., lxviii., lxxix., lxxx., lxxxi., lxxxiii., xcvii., xcviii., xcix., c., ci., cxvii., cxviii., cxxxvii., cxxxviii., cxxxix., clxxv., clxxvi., clxxvii., clxxxii.
When these are committed to memory, he will begin to understand the nature of these correspondences.
Liber O