Ṛg Veda 10.191 (Saṃjñāna Sūkta)
Rig 1.191.03
समानी व आकूतिः समाना हृदयानि वः। समानमस्तु वो मनो यथा वः सुसहासति॥
samānī va ākūtiḥ samānā hr̥dayāni vaḥ। samānamastu vo mano yathā vaḥ susahāsati॥
[समानी (samānī) - fuel; व (va) - and; आकूतिः (ākūtiḥ) - the ladle or vessel used in rituals; समाना (samānā) - the same; हृदयानि (hṛdayāni) - hearts; वः (vaḥ) - your; समानम् (samānam) - the same; अस्तु (astu) - may be; वः (vo) - your; मनः (manaḥ) - mind; यथा (yathā) - as; वः (vaḥ) - your; सुसहासति (susahāsati) - is well disposed or friendly;]
Common, (worshipppers), be your intention; common be (the wishes of) your hearts; common be yourthoughts, so that there may be thorough union among you.