I'll give you one practical example how things are misinterpreted. Now, in India there was a great dramatist. He was known as Mr. D. L. Raya. He wrote one book which is called Shahjahan. Now this Shahjahan, the theme of this book is that Aurangzeb, the son of Shahjahan, he was the second son of Shahjahan, Emperor Shahjahan, and he made a clique. He killed his elder brother, he's killed his younger brother, and he arrested his own father in the fort, and he manipulated things in such a way, politician, and he became the king, emperor, king-emperor. Now, the whole activities of that book is the Aurangzeb's activities.
So one friend of the author, D. L. Raya, he inquired from D. L. Raya that "Mr. Raya, you have written this book, and this book is full of the activities of Aurangzeb. Now, why you have made the hero Shahjahan? Shahjahan is on the background. The old man is arrested in the fort of Agra. He is sitting there. Why you have named the Shahjahan?" Now, just see the purpose of the author. The author replied, "Yes, I have purposely named this book Shahjahan because actually the hero is Shahjahan."
The friend inquired, "Why?" "Now, because the whole activities was being done by Aurangzeb, but the effect was being enjoyed and suffered by Shahjahan. Shahjahan was the father; he could not tolerate that his eldest son was killed, his youngest son was killed, and he was arrested. This is the political maneuver by Aurangzeb. But actually, the hero, the sufferer, was the Shahjahan, Emperor Shahjahan." Now, just see. The mind of the author was disclosed by the author. Nobody could interpret what was the intention.
Similarly, the intention of the Bhagavad-gītā is known by Kṛṣṇa, the author. So we have to understand the intention of the author. We cannot exact any meaning by our own scholarship which is different from the intention of the author. So anyone who is not in the disciplic succession, he cannot understand the intention of Kṛṣṇa, why this Bhagavad-gītā, why this yoga was imparted. You can . . . you are a good scholar. You can make a . . . something . . .
Just like our president, Mr. Goldsmith, he knows that expert lawyers, by interpretation they can do so many things. That is another thing. And in Calcutta, when I was in Calcutta, there was a rent tax passed by the government, and some expert lawyer changed the whole thing by his interpretation. The government had to reenact, you see, because the purpose was foiled by the interpretation of the lawyer. You see?
So we are not out for foiling the purpose of Kṛṣṇa for which the Bhagavad-gītā is said. These persons, these unauthorised persons, they are practically trying to foil the purpose of Kṛṣṇa. Therefore, that is unauthorised.