स य एतमेवं विद्वाँश्चतुष्कलं पादं ब्रह्मणः प्रकाशवानित्युपास्ते प्रकाशवानस्मिँल्लोके भवति प्रकाशवतो ह लोकाञ्जयति य एतमेवं विद्वाँश्चतुष्कलं पादं ब्रह्मणः प्रकाशवानित्युपास्ते ॥ ३ ॥
In plain words
Whoever knows this four-parted foot of Brahman in this way and meditates upon it as luminous, becomes luminous in this very world, and triumphs over luminous worlds.
Close to the Sanskrit
He who thus knowing meditates upon this four-parted foot of Brahman as luminous, becomes luminous in this world, and indeed conquers luminous worlds—he who thus knowing meditates upon this four-parted foot of Brahman as luminous.