Bhagavatapurana 5.11.8

5.11.8

guṇānuraktaṃ vyasanāya jantoḥ kṣemāya nairguṇyam atho manaḥ syāt /
yathā pradīpo ghṛta-vartim aśnan śikhāḥ sadhūmā bhajati hy anyadā svam /
padaṃ tathā guṇa-karmānubaddhaṃ vṛttīr manaḥ śrayate 'nyatra tattvam //

8. The mind, if given to the objects, (of the senses) leads the creature to misery; if free from their influence, leads him to happiness; just as a flame, so long as it consumes the ghee-soaked wick, is associated with soot and at other times it rests in itself; similarly, the mind impelled by the objects and imbued with the consequent activities takes to (or adopts) various courses, but otherwise returns to (the source of) Truth.