Atha ca pana ‘kāye kāyānupassī viharāmi ātāpī sampajāno satimā sukhamasmī’ti pajānāti.  
And they also understand: ‘I meditate observing an aspect of the body—keen, aware, mindful; I am happy.’
Atha ca pana ‘vedanāsu vedanānupassī viharāmi ātāpī sampajāno satimā sukhamasmī’ti pajānāti.  
And they also understand: ‘I meditate observing an aspect of feelings—keen, aware, mindful; I am happy.’
Atha ca pana ‘citte cittānupassī viharāmi ātāpī sampajāno satimā sukhamasmī’ti pajānāti.  
And they also understand: ‘I meditate observing an aspect of the mind—keen, aware, mindful; I am happy.’
Atha ca pana ‘dhammesu dhammānupassī viharāmi ātāpī sampajāno satimā sukhamasmī’ti pajānāti.  
And they also understand: ‘I meditate observing an aspect of principles—keen, aware, mindful; I am happy.’