By effort and heedfulness, discipline and self-mastery, let the wise one make of himself an island which no flood can overwhelm.15. Freedom is difficult16. The glory of the mindful one increases17. Island against floods18. Meditation leads to joy19. The Sorrowless look over the world20. The mindful one is far ahead of others21. Mindfulness made him king of the gods22. The heedful ones progress23. The heedful one reaches Nibbana