Mahasunnatasutta 4.1

4.1

So vatānanda, bhikkhu saṅgaṇikārāmo saṅgaṇikarato saṅgaṇikārāmataṃ anuyutto gaṇārāmo gaṇarato gaṇasammudito sāmāyikaṃ vā kantaṃ cetovimuttiṃ upasampajja viharissati asāmāyikaṃ vā akuppanti—netaṃ ṭhānaṃ vijjati.

Indeed, Ānanda, it is quite impossible that a mendicant who enjoys company will enter and remain in the freedom of heart—either that which is temporary and pleasant, or that which is irreversible and unshakable.