Bhagavad Gita 3.11
देवान्भावयतानेन ते देवा भावयन्तु वः। परस्परं भावयन्तः श्रेयः परमवाप्स्यथ।।3.11।।
devānbhāvayatānena te devā bhāvayantu vaḥ| parasparaṃ bhāvayantaḥ śreyaḥ paramavāpsyatha||3.11||
devanbhavayatanena te deva bhavayantu vah parasparam bhavayantah shreyah paramavapsyatha3.11
Meaning
By sacrifice, nourish the celestial beings, and they shall nourish you. Through this mutual cooperation, you shall attain the highest good.
तुम लोग इस यज्ञ द्वारा देवताओं की उन्नति करो और वे देवतागण तुम्हारी उन्नति करें। इस प्रकार परस्पर उन्नति करते हुए परम श्रेय को तुम प्राप्त होगे।
This is verse 11 of 43 in Chapter 3 (Karma Yoga) of the Bhagavad Gita.