Rig veda 1.1.9

स नः पितेव सूनवे ऽग्ने सूपायनो भव |
सचस्वा नः स्वस्तये ||

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sa naḥ piteva sūnave 'gne sūpāyano bhava |
sacasvā naḥ svastaye ||

- sa naḥ piteva sūnave ; Like a father onto a son

- agne sūpāyano bhava : Agni(soul) easily approach us (mental-vital-physical being)
- sacasvā naḥ svastaye : care for us to achieve the blessed state (psychic transformation of mental-vital-physical being)