The works of Ādi Śaṅkarācārya

Viṣṇusahasranāmastotram

Verse 592

भक्तिमान्यः सदोत्थाय शुचिस्तद्गतमानसः ।सहस्रं वासुदेवस्य नाम्नामेतत्प्रकीर्तयेत् ॥

In plain words

Whoever has devotion — let him rise each day, wash clean, his mind already gone over to Him, and chant aloud this thousand names of Vāsudeva.

Close to the Sanskrit

He who, possessing devotion, always having risen, pure, with his mind gone to That — let him proclaim this thousand of the names of Vāsudeva.