The 37 factors (sometimes called steps) to enlightenment: * The 4 Foundations of Mindfulness * The 4 supreme efforts * The 4 means to accomplishment * The 5 strengths * The 5 faculties * The Noble Eightfold Middle Path * The 7 factors of enlightenment (from Anguttara Nikaya 7.67, Majjhima Nikaya 103, Digha Nikaya 16)