So guru's position is very exalted. Exal... Why exalted? Because he is the confidential servant of Kṛṣṇa. Kintu prabhor yaḥ priya eva tasya. One... Suppose you want to do some business and..., with some firm, and a representative comes to transact business, naturally, one tries to satisfy that representative so that the business can be done very fairly. This is natural psychology. Similarly, kintu prabhor yaḥ priya eva tasya. Guru is very dear to Kṛṣṇa because his business is to serve Kṛṣṇa. His business is to execute the will of Kṛṣṇa.
Therefore here it is said, yat tat sākṣād bhagavatoditam. (aside:) Don't disturb in this way. Sākṣād bhagavatoditam. Sākṣāt means directly. What was spoken directly by the Supreme Personality of Godhead. And that is jñānam, that is real knowledge. Jñānaṁ guhyatamam. Guhyatamam, most confidential. Guhya, guhyatara, and guhyatamam. What is that verse in the Eighteenth Chapter? Guhyād guhyatamaṁ pravakṣyāmi... That... The conclusion is that the most confidential knowledge is that which is given by the Supreme Personality of Godhead directly. And what it is said in the Bhagavad-gītā? Guhyād guhyatamam. Find out this verse.