Keepतदेतदक्षरं ब्रह्म स प्राणस्तदु वाङ्मनः ।तदेतत्सत्यममृतं तद्वेद्धव्यं सौम्य विद्धि ॥ 6-4 ॥Word by word (17)In plain wordsThat imperishable is Brahman; it is prāṇa, speech and mind. It is Truth and Immortality. O gentle one, that is the target to be penetrated—know it.