Aṅguttara Nikāya 16. Indriyavaggo 1. Indriyasuttaṃ –– Faculties 016.01. Bhikkhus, these 4 are faculties. What 4? The faculty of faith, of effort, of mindfulness and of concentration. Bhikkhus, these 4 are faculties. 2. Saddhābala –– Power of faith 016.02. Bhikkhus, these 4 are powers. What 4? The power of faith, of effort, of mindfulness and of concentration. Bhikkhus, these 4