What are the key themes discussed in Chapter 49 of the Shri Sai Satcharita regarding the nature of the Sadguru and the act of praise?

Chapter 49 reflects on the profound and inexpressible nature of the Sadguru, Sai Baba. The author states that even the Vedas and Puranas grew weary trying to praise the Sadguru fully, suggesting that true praise is found in silence. However, the author is compelled to speak due to the bliss derived from Sai's qualities and leelas. As described in Chapter 49, Sai is the crest-jewel of all saints and the remover of worldly difficulties. The chapter emphasizes that the Sadguru's greatness is beyond the grasp of ordinary speech, as it transcends even the highest forms of language.