One verse

Srimad Bhagavatam 11.29.9

11.29.9

कुर्यात् सर्वाणि कर्माणि मदर्थं शनकै: स्मरन् । मय्यर्पितमनश्चित्तो मद्धर्मात्ममनोरति: ॥ ९ ॥

kuryāt sarvāṇi karmāṇi mad-arthaṁ śanakaiḥ smaran mayy arpita-manaś-citto mad-dharmātma-mano-ratiḥ

kuryāt
one should perform
sarvāṇi
all
karmāṇi
prescribed activities
mat-artham
for Me
śanakaiḥ
without becoming impetuous
smaran
remembering
mayi
unto Me
arpita
who has offered
manaḥ-cittaḥ
his mind and his intelligence
mat-dharma
My devotional service
ātma-manaḥ
of his own mind
ratiḥ
the attraction

Always remembering Me, one should perform all his duties for Me without becoming impetuous. With mind and intelligence offered to Me, one should fix his mind in attraction to My devotional service.