What profound spiritual teaching did Sai Baba impart to Cholkar following the incident with the sweetened tea?

The incident with Cholkar's tea, found in Chapter 15, was a gateway to a profound teaching from Sai Baba on His omnipresence and unity with His devotees. After revealing His knowledge of Cholkar's secret vow and sugar renunciation, Baba explained, 'Even if my body is here, and you are beyond the seven seas, Whatever you do there, I know it instantly.' He taught that He resides in the devotee's heart as their inner self and is present in all beings. The ultimate lesson was that there is no separation between the devotee and the divine, as Baba told him, 'you and I are one,' urging him to recognize this unity in all creatures he meets.