The works of Ādi Śaṅkarācārya

Sanatsujātīyam

p. 223

p. 223

नैनं मन्येत भूयिष्ठं बाह्यमाभ्यन्तरं जनम् ॥

In plain words

Don't take this born thing for the highest — not the body on the outside, not the mind within.

Close to the Sanskrit

One should not consider this — the outer and the inner born being — to be the greatest.