Bhagavad Gita 18.54ब्रह्मभूतः प्रसन्नात्मा न शोचति न काङ्क्षति।समः सर्वेषु भूतेषु मद्भक्तिं लभते पराम् ॥

Brahmabhutah Having attained to Brahman. His attainment of perfect freedom or oneness with the Supreme is described in the next verse.He is tranilminded. He is in a state of balance and equanimity. There is nothing connected with the little personality that may cause him to grieve or prompt him to feel desire. When this state is attained, the multiplicity of objects gradually disappears and he perceives only unity everywhere. The waking and dream consciousness that gives rise to false knowledge gradually passes away.He does not grieve about his bodily wants. If he fails in his attempt to fulfil them, he does not grieve either. He always keeps evenness of mind in success and failure. He has no longing for any object that is not attained.Na sochati na kankshati can also be interpreted as he neither grieves nor exults.Samah sarveshu bhuteshu may also mean he puts himself in the position of others and feels for others. If anyone is in acute agony or distress, he himself feels that he is affected. His heart is very tender and soft. He is extremely compassionate and merciful. He considers that the pleasure and pain of all beings are his own. If others rejoice he also rejoices if others are in distress, he also is distressed. His heart is so much expanded that he feels for all