Why are Sai Baba's actions and state of being described as 'incomprehensible' and 'marvelous' in Chapter 37?

According to Chapter 37 of the Shri Sai Satcharitra, Sai Baba's actions and state of being are described as incomprehensible because of His unpredictable and paradoxical nature. He could be 'intoxicated with Brahmananda (the bliss of the Self)' one moment and then appear completely detached while performing actions the next. He might seem devoid of activity, yet He was 'always alert in His own true form,' with His mind fixed on Self-realization. The text likens Him to a deep and profound ocean that is difficult to fathom. Those who try to understand the cause behind His actions eventually 'become exhausted and sit quietly in amazement.' This constant shifting between divine bliss and worldly detachment makes His true form unfathomable.