Śatapatha Brāhmaṇa ("of a hundred paths") 14.3.2.3

14.3.2.3

svāhā prāṇebhyaḥ sādhipatikebhya iti mano vai prāṇānāmadhipatirmanasi hi sarve prāṇāḥ pratiṣṭhitāstanmanasaivaitadbhiṣajyati yatkiṃ ca vivṛḍhaṃ yajñasya

[He offers, with Vâg. S. XXXIX, 1,] 'Hail to the vital airs with their over-lord!'--the over-lord of the vital airs, doubtless, is the mind (soul), for in the mind all the vital airs are established: it is thus by means of the mind that he thereby heals whatever has been unsuccessful in the sacrifice.