Chapter 18 · Liberation through Renunciation · Krishna said
Bhagavad Gita 18.57 — Offer all work to God
चेतसा सर्वकर्माणि मयि संन्यस्य मत्परः। बुद्धियोगमुपाश्रित्य मच्चित्तः सततं भव ॥
cetasā sarvakarmāṇi mayi saṃnyasya matparaḥ | buddhiyogamupāśritya maccittaḥ satataṃ bhava ||
Meaning
Offer all your actions to Me in your heart, hold Me as your highest goal, rely on the yoga of understanding, and keep your mind always on Me.