One verse

Srimad Bhagavatam 8.1.17

8.1.17

श्रीशुक उवाच इति मन्त्रोपनिषदं व्याहरन्तं समाहितम् । द‍ृष्ट्वासुरा यातुधाना जग्धुमभ्यद्रवन् क्षुधा ॥ १७ ॥

sri-suka uvaca iti mantropanisadam vyaharantam samahitam drstvasura yatudhana jagdhum abhyadravan ksudha

sri-sukah uvaca
Sri Sukadeva Gosvami said
iti
thus
mantra-upanisadam
the Vedic mantra (uttered by Svayambhuva Manu)
vyaharantam
taught or chanted
samahitam
concentrated the mind (without being agitated by material conditions)
drstva
upon seeing (him)
asurah
the demons
yatudhanah
the Raksasas
jagdhum
desired to devour
abhyadravan
running very fast
ksudha
to satisfy their appetite.

Sukadeva Gosvami continued: Svayambhuva Manu was thus in a trance, chanting the mantras of Vedic instruction known as the Upanisads. Upon seeing him, the Raksasas and asuras, being very hungry, wanted to devour him. Therefore they ran after him with great speed.