Saññāsutta

Suttapiṭaka · Saṁyuttanikāya · Khandhavaggasaṁyutta · Vol. 17 · Section 269

[269] Just as, bhikkhus, of whatever fragrances of flowers there are, jasmine (vassikaṃ) is declared the foremost; even so, bhikkhus, the perception of impermanence (aniccasaññā), when developed … .

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.