The works of Ādi Śaṅkarācārya

Sanatsujātīyam

p. 265

p. 265

एवं योऽभिविजानाति स जानाति परं हि तत् ॥ ४५ ॥

In plain words

Whoever comprehends it this way — he knows. He knows That, the supreme, and there is nothing beyond it to know.

Close to the Sanskrit

Thus, he who fully comprehends, he knows — that supreme, indeed.