Bhagwad Gita
Chapter 10, Verse 8
अहं सर्वस्य प्रभवो मत्तः सर्वं प्रवर्तते।
इति मत्वा भजन्ते मां बुधा भावसमन्विताः।।10.8।।
I am the source of all spiritual and material worlds. Everything emanates from Me. The wise who know this perfectly engage in My devotional service and worship Me with all their hearts.