गोविन्द भाष्य (श्रील बलदेव विद्याभूषण - अचिन्त्यभेदाभेद वेदान्त ब्रह्मसूत्र भाष्य सटीक)

If it is said, "because they are different," then I reply, "It is not so, for it is also
in one".
Purport by Śrīla Baladeva Vidyābhūṣaṇa
It is not so. That is so because these differences are seen even within the same
branch of the Vedas. An example of this is the Taittirīya Upaniṣad, which gives the
following two statements.
satyaṁ jñānam anantaṁ brahma
"The limitless Supreme is both knowledge and truth."
ānando brahma
"The Supreme is bliss."
In this way the many different branches of the Vedas describe the same form
of the Supreme Lord. They do not contradict each other at all.
Sūtra 3
svādhyāyasya tathātvena hi samācāre 'dhikārāc ca
svādhyāyasya—of Vedic study; tathātvena—by being so; hi—indeed;
samācāre—in Vedic rituals; adhikārāt—because of being qualified; ca—also.
Because of being qualified to study the Vedas and to perform rituals.
Purport by Śrīla Baladeva Vidyābhūṣaṇa
In the Taittirīya Āraṇyaka (2.15) it is said: