Ishwarbhav. This brings in its train a state of absolute lordliness in a God-realiser. He does find himself to be the lord of all he surveys. This is what is meant by Ishwarbhav, the lordliness of the realised saint. He is like a pinnacle. He stands alone to himself in his solitary greatness and with the power to do good whenever and wherever he likes.

(Page 190, The Bhagavadgita as a Philosophy of God Realisation, R D Ranade)

...Aurobindo emphasizes that our highest ideal ought to be to surrender ourselves to the Master of Existence which, according to him, consitutes the great finale of human achievement.

(Page 154, The Bhagavadgita as a Philosophy of God Realisation, R D Ranade)