Majjhima Nikaya 5:257
SUJATOEvaṁ vimuttacittaṁ kho, bhikkhave, bhikkhuṁ saindā devā sabrahmakā sapajāpatikā anvesaṁ nādhigacchanti:
When a mendicant’s mind was freed like this, the gods together with Indra, the Divinity, and the Progenitor, search as they may, will not discover: