Kumbhasutta

Suttapiṭaka · Saṁyuttanikāya · Mahāvaggasaṁyutta · Vol. 19 · Section 78

[78] The setting is at Sāvatthī. Bhikkhus, just as a pot without a support is easily overturned, while one with a support is difficult to overturn; even so, bhikkhus, the mind (citta) without a support is easily overturned, while with a support it is difficult to overturn.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.