The works of Ādi Śaṅkarācārya

Sanatsujātīyam

p. 259

p. 259

सत्यस्यैकस्य राजेन्द्र सत्ये कश्चिदवस्थितः ॥

In plain words

Truth is one, king among kings — and some one person actually stands in it.

Close to the Sanskrit

Of truth, which is one, O chief of kings, in truth someone is established.