As is in Shri Sai Satcharita, by Hemadpant .. Chapter XLVIII Page 243

Om Sai Shri Sai Jaya Jaya Sai

But he, who by his discourse creates in us, a distaste for the enjoyments of this world and the next, and gives us a taste of self-realization, who is well-versed in both the theoretical and practical knowledge (self-realization) deserves to be called a Sadguru.

Bow to Shri Sai - Peace be to all