p. 239
ऋचो यजूंष्यधीते यः सामवेदं च यो द्विजः ।
In plain words
The twice-born student who studies the Rigveda, the Yajurveda, and the Samaveda.
Close to the Sanskrit
Who studies the Rig verses, the Yajus formulas, and who is the twice-born studying the Samaveda.