Bhagwad Gita
Chapter 9, Verse 23
येऽप्यन्यदेवता भक्ता यजन्ते श्रद्धयाऽन्विताः।
तेऽपि मामेव कौन्तेय यजन्त्यविधिपूर्वकम्।।9.23।।
Whatever a man may sacrifice to other gods, O son of Kunti, is really meant for Me alone, but it is offered without true understanding.