Mahasihanadasutta 13.7

13.7

Ayaṃ kho, kassapa, maggo, ayaṃ paṭipadā, yathāpaṭipanno sāmaññeva ñassati sāmaṃ dakkhati ‘samaṇova gotamo kālavādī bhūtavādī atthavādī dhammavādī vinayavādī’”ti.

This is the path, this is the practice, practicing in accordance with which you will know and see for yourself: ‘Only the ascetic Gotama’s words are timely, true, and meaningful, in line with the teaching and training.’”