Hare Krsna to all
What you read below may come as a shock to you, if you are not up on all the changes to the books done by the un-authorized editors of the BBT.
Below we have Jayadvaita swami  in Srila Prabhupadas own presence, in a room conversation reading the original version of Bg 7.28 with the purport. And then down below this conversation we have supplied the changed version he has now put into Prabhupadas original BG. It should be noted that at that time, in 1976, in Srila Prabhupadas presence, with Prabhupada listening to his own verse translation and purport, that he did not say anything was wrong with this edition. If there was an error or he did not like it, he would have said something.He was preaching on the basis of what was being read there.
Yet today we have literally thousands (1,000’s) of changes to this same Original BG  done by JAS , Dravida and Co. Ironically, it was Jayadvaita swami himself reading the verse and purport himself, while the subtle seeds of envy burned within his devious heart.
Some  10 years later he came out with his “new and improved ” version of  BG, which certainly was not the original version which convinced him to join Srila Prabhupada, and become his disciple back in the late  “60’s.
Hare Krsna
damaghosa das
Adi 1.46 purport —Influenced by an envious temperament and dissatisfied because of an attitude of sense gratification, mundaners criticize a real ācārya. In fact, however, a bona fide ācārya is nondifferent from the Personality of Godhead, and therefore to envy such an ācārya is to envy the Personality of Godhead Himself. This will produce an effect subversive of transcendental realization.
Note-when someone changes the written words of the acarya this is envy of him because one thinks his own words and realizations are BETTER than his own spiritual masters words. So re writing the books means to criticize the Acarya,thinking “I know better than my own spiritual master”. Especially when that same Acarya told us- not to change one word !
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Detroit June 15 1976 Conversations
Prabhupāda: Do you have the passage there?

Jayādvaita: Yes. “Persons who have acted piously in previous lives and in this life, whose sinful actions are completely eradicated and who are freed from the duality of delusion, engage themselves in My service with determination.

Scheverman: Yes, we too see sin as an obstacle to communication and relationship with the Lord God.

Prabhupāda: Yes. Read the purport.

Scheverman: In fact, we define sin as that which separates us from the friendship of God.

Rakṣaṇa: So that means following God’s instructions, such as “Thou shalt not kill,” right?

Jayādvaita: This is the purport. “Those eligible for elevation to the transcendental position are mentioned in this verse. For those who are sinful, atheistic, foolish and deceitful, it is very difficult to transcend the duality of desire and hate. Only those who have passed their lives in practicing the regulative principles of religion, who have acted piously and have conquered sinful reactions can accept devotional service and gradually rise to the pure knowledge of the Supreme Personality of Godhead. Then, gradually, they can meditate in trance on the Supreme Personality of Godhead. That is the process of being situated on the spiritual platform. This elevation is possible in Kṛṣṇaconsciousness in the association of pure devotees who can deliver one from delusion. It is stated in the Śrīmad-Bhāgavatam that if one actually wants to be liberated, he must render service to the devotees; but one who associates with materialistic people is on the path leading to the darkest region of existence. All the devotees of the Lord traverse this earth just to recover the conditioned souls from their delusion. The impersonalists do not know that forgetting their constitutional position as subordinate to the Supreme Lord is the greatest violation of God’s law. Unless one is reinstated in his own constitutional position, it is not possible to understand the Supreme Personality or to be fully engaged in His transcendental loving service with determination.”

Scheverman: Yes, we can certainly agree with that.

Prabhupāda: So, we have to teach people how to refrain from sinful activities. (Like changing the books !)Then, when he’s pure, then God will reveal. If we keep them in sinful life, at the same time we want to preach them, it will not be possible. In the Śrīmad-Bhāgavatam it is said that those who are animal killer, they cannot understand about God. Vinā paśughnāt. So if in the human society unnecessary animal killing is encouraged, he will never be able to understand what is God. The greatest sinful activity, paśughnāt. So in human society, unnecessarily animal killing is going on. So they are entangled in sinful activities; therefore they are unable to understand what is God.
Below we have shown the two versions of BG 7.28. The first one is the original, being read by Jayadvaita swami back in Detroit June 15 1976 in front of Srila Prabhupada, who then comments upon that verse and purport. Now some 40 years later we have JAS new version with all his changes additions and deletions of Srila Prabhupadas sacred vani. See for yourself below what he has changed
Blue text means deleted from the original. Pink means changed from the original, and hi lighted text means whatJAS has added upon his own initiative.
Original Version Below
492 TEXT 28
493
494 TRANSLATION
495
496 Persons who have acted piously in previous lives and in
497 this life, whose sinful actions are completely
  > eradicated and who are freed from the duality of delusion,
  >  engage themselves in My service with
  > determination.
  >
498 PURPORT
499
500 Those eligible for elevation to the transcendental position
501 are mentioned in this verse. For those who are sinful,
  > atheistic, foolish and deceitful, it is very difficult to
  > transcend the duality of desire and hate. Only those who
  > have passed their lives in practicing the regulative
  > principles of religion, who have acted piously and have
  > conquered sinful reactions can accept devotional service
  > and gradually rise to the pure knowledge of the Supreme
  > Personality of Godhead. Then, gradually, they can meditate
  > in trance on the Supreme Personality of Godhead. That is
  > the process of being situated on the spiritual platform.
  > This elevation is possible in Krsna consciousness in the
  > association of pure devotees who can
  > deliver one from delusion.
  >
502 It is stated in the Srimad-Bhagavatam that if one
503 actually wants to be liberated he must render service to
  > the devotees; but one
  > who associates with materialistic people is on the path
  > leading to the darkest region of existence
  > . All the devotees of the Lord
  > traverse this earth just to recover the conditioned souls
  > from their delusion. The impersonalists do not know that
  > forgetting their constitutional position as subordinate to
  > the Supreme Lord is the greatest violation of God’s law.
  > Unless one is reinstated in his own constitutional position,
  >  it is not possible to understand the Supreme Personality
  > or to be fully engaged in His transcendental loving service
  > with determination.
  >
Changed Version Below
500 TEXT 28
501
502 TRANSLATION
503
504 Persons who have acted piously in previous lives and in
505 this life and whose sinful actions are completely
  > eradicated are freed from the dualities of delusion,
  >  and they engage themselves in My service with
  > determination.
  >
506 PURPORT
507
508 Those eligible for elevation to the transcendental position
509 are mentioned in this verse. For those who are sinful,
  > atheistic, foolish and deceitful, it is very difficult to
  > transcend the duality of desire and hate. Only those who
  > have passed their lives in practicing the regulative
  > principles of religion, who have acted piously and who have
  > conquered sinful reactions can accept devotional service
  > and gradually rise to the pure knowledge of the Supreme
  > Personality of Godhead. Then, gradually, they can meditate
  > in trance on the Supreme Personality of Godhead. That is
  > the process of being situated on the spiritual platform.
  > This elevation is possible in Krsna consciousness in the
  > association of pure devotees, for in the association of
  > great devotees one can be delivered from delusion.
  >
510 It is stated in the Srimad-Bhagavatam (5.5.2) that if one
511 actually wants to be liberated he must render service to
  > the devotees (mahat-sevam dvaram ahur vimukteh); but one
  > who associates with materialistic people is on the path
  > leading to the darkest region of existence (tamo-dvaram
  > yositam sangi-sangam). All the devotees of the Lord
  > traverse this earth just to recover the conditioned souls
  > from their delusion. The impersonalists do not know that
  > forgetting their constitutional position as subordinate to
  > the Supreme Lord is the greatest violation of God’s law.
  > Unless one is reinstated in his own constitutional position,
  >  it is not possible to understand the Supreme Personality
  > or to be fully engaged in His transcendental loving service
  > with determination.