p. 309
पिता अपि अहमेव ।युष्माकं पुत्रोऽस्मि दुर्योधनादिरहमस्मि ।किं बहुना? आत्माहमस्मि सर्वस्य प्राणिजातस्य यच्च नास्ति यदस्ति च, तस्याहमेवात्मा ॥
In plain words
The father too — that is me. I am your son; I am Duryodhana and every one of the others. Why go on? I am the Self of the whole breathing world — of what exists and of what does not, I alone am the Self.
Close to the Sanskrit
The father too is I alone. I am your son; I am Duryodhana and the rest. What with much? I am the Self of the whole host of living beings; and that which is not and that which is — of that I alone am the Self.