The works of Ādi Śaṅkarācārya

Sanatsujātīyam

p. 311

p. 311

णिषु हृदयकमलमध्ये अहमेव अवस्थित आत्मतया ॥

In plain words

In every living thing, at the centre of the heart's lotus, it is I who am seated — and I am seated there as the Self.

Close to the Sanskrit

In [living] beings, in the middle of the heart-lotus, I alone am established, as the Self.