p. 211
एकं सदैकं परमः परेशः स वासुदेवो न यतोऽन्यदस्ति ॥
In plain words
Reality is one, supreme and absolute; he is Vāsudeva, and apart from him nothing whatsoever exists.
Close to the Sanskrit
One is the reality, one is the supreme lord, he is Vasudeva, from whom nothing else exists.