One verse

Srimad Bhagavatam 11.20.20

11.20.20

मनोगतिं न विसृजेज्जितप्राणो जितेन्द्रिय: । सत्त्वसम्पन्नया बुद्ध्या मन आत्मवशं नयेत् ॥ २० ॥

mano-gatiṁ na visṛjej jita-prāṇo jitendriyaḥ sattva-sampannayā buddhyā mana ātma-vaśaṁ nayet

manaḥ
of the mind
gatim
goal
na
not
visṛjet
should lose sight of
jita-prāṇaḥ
one who has conquered the breath
jita-indriyaḥ
who has conquered his senses
sattva
of the mode of goodness
sampannayā
characterized by flourishing
buddhyā
by the intelligence
manaḥ
the mind
ātma-vaśam
under the control of the self
nayet
one should bring

One should never lose sight of the actual goal of mental activities, but rather, conquering the life air and senses and utilizing intelligence strengthened by the mode of goodness, one should bring the mind under the control of the self.