Samannaphalasutta 80.2

80.2

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

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