And what fuels the arising of the awakening factor of energy, or, when it has arisen, fully develops it? There are the elements of initiative, persistence, and exertion. Frequent rational application of mind to them fuels the arising of the awakening factor of energy, or, when it has arisen, fully develops it.

And what fuels the arising of the awakening factor of rapture, or, when it has arisen, fully develops it? There are things that are grounds for the awakening factor of rapture. Frequent rational application of mind to them fuels the arising of the awakening factor of rapture, or, when it has arisen, fully develops it.

And what fuels the arising of the awakening factor of tranquility, or, when it has arisen, fully develops it? There is tranquility of the body and of the mind. Frequent rational application of mind to that fuels the arising of the awakening factor of tranquility, or, when it has arisen, fully develops it.

And what fuels the arising of the awakening factor of immersion, or, when it has arisen, fully develops it? There are things that are the basis of serenity and freedom from distraction. Frequent rational application of mind to them fuels the arising of the awakening factor of immersion, or, when it has arisen, fully develops it.