Samannaphalasutta 76.2

76.2

evameva kho, mahārāja, bhikkhu imameva kāyaṃ vivekajena pītisukhena abhisandeti parisandeti paripūreti parippharati, nāssa kiñci sabbāvato kāyassa vivekajena pītisukhena apphuṭaṃ hoti.

In the same way, a mendicant drenches, steeps, fills, and spreads themselves with rapture and bliss born of seclusion. There’s no part of the body that’s not spread with rapture and bliss born of seclusion.