Bhagwad Gita
Chapter 18, Verse 65
मन्मना भव मद्भक्तो मद्याजी मां नमस्कुरु।मामेवैष्यसि सत्यं ते प्रतिजाने प्रियोऽसि मे।।18.65।।
Always think of Me and become My devotee. Worship Me and offer your homage unto Me. Thus you will come to Me without fail. I promise you this because you are My very dear friend.