Thirty-seven Elements of Bodhi
Thirty-seven Elements of Bodhi (三十七道品). Also called Thirty-seven Aids to Attain Bodhi, these trainings are classified into seven categories:
A. Four Abidings of Mindfulness;
B. Four Right Endeavors: (1) end forever the existing evil, (2) do not allow new evil to arise, (3) cause new goodness to arise, and (4) expand existing goodness;
C. Four Ways to Attain Samādhi: (1) aspiration, (2) energetic progress, (3) memory, and (4) contemplation;
D. Five Roots: (1) root of faith, (2) root of energetic progress, (3) roof of memory, (4) root of samādhi, and (5) root of wisdom;
E. Five Powers: (1) power of faith, (2) power of energetic progress, (3) power of memory, (4) power of samādhi, and (5) power of wisdom;
F. Seven Bodhi Factors;
G. Eightfold Right Path.