Theragāthā 1.86 Ekakanipāta Navamavagga Nāgitattheragāthā

“Ito bahiddhā puthu aññavādinaṁ,

Elsewhere there are many other doctrines;

Maggo na nibbānagamo yathā ayaṁ;

paths that, unlike this, don’t lead to extinguishment.

Itissu saṅghaṁ bhagavānusāsati,

For the Buddha himself instructs the Saṅgha;

Satthā sayaṁ pāṇitaleva dassayan”ti.

the Teacher shows the palms of his hands.

… Nāgito thero ….