प्राण एव ब्रह्मणश्चतुर्थ. पाद स वायु-ना ज्योतिषा भाति च तपति च भातिच तपति च कीर्त्या यशसा ब्रह्मवर्चसेनय एव वेद ॥ ४ ॥
In plain words
Prāṇa is verily the fourth quarter of Brahman. He shines and radiates warmth through the wind as his light; and he who knows thus shines and glows with fame, glory, and spiritual radiance.
Close to the Sanskrit
Prāṇa indeed is the fourth quarter of Brahman. He shines and heats with the wind as light, and shines and heats with fame, glory, and spiritual radiance—he who knows thus.