Pleasure has concentration as its purpose, concentration as its reward. Serenity has pleasure as its purpose, pleasure as its reward. Rapture has serenity as its purpose, serenity as its reward. Joy has rapture as its purpose, rapture as its reward. Freedom from remorse has joy as its purpose, joy as its reward.
Skillful virtues have freedom from remorse as their purpose, freedom from remorse as their reward.
In this way, mental qualities lead on to mental qualities, mental qualities bring mental qualities to their consummation, for the sake of going from the near to the Further Shore.