References – SN 35.23: The All 
“My understanding is that it is not good to indulge the five senses. But is there a way to make that help with your cultivation?” Answered by Ajahn Pasanno. [Sense bases] [Sense restraint] // [Appropriate attention] [Discernment] [Skillful qualities] [Unskillful qualities]
Reference: Amaravati Chanting Book, p. 6: Recollection of the Dhamma [Recollection/Dhamma]
Sutta: SN 35.23: The six senses are the all.
Sutta: SN 35.116: A perceiver of the world, a conceiver of the world.