Bhagavad Gita 18.57

चेतसा सर्वकर्माणि मयि सन्न्यास्य मत्पर: |
बुद्धियोगमुपाश्रित्य मच्चित्त: सततं भव

Translation

Dedicate your every activity to Me, making Me your supreme goal. Taking shelter of the Yog of the intellect, keep your consciousness absorbed in Me always.