Kauṣītaki (Śāṅkhāyana) Brāhmaṇa 7.1.5

7.1.5

tatho eva etad yajamāno vācā eva dīkṣatā prāṇena dīkṣitena sarvān kāmān ubhayataḥ parigṛhya ātman dhatte / (soma: dīkṣaṇīyeṣṭi)

In the very same way, the sacrificer, by speech consecrating, by breath consecrated, grasps all desires on both sides and places them in himself.