Source · the work in full

Notes, Critical and Explanatory, on the Holy Scriptures

PD · Francis Patrick Kenrick, Baltimore, 1849–1860 (Gospels 1849; Acts, Epistles & Apocalypse 1851; Psalms, Wisdom books & Canticle 1857; Job & the Prophets 1859; Pentateuch 1860)
Chapter 6

Numbers 6

V. " Ut sanctiflcentur." H. P. speak of the vow of a Nasarite.

This distinction was prescribed that his consecration might be known. He was ftyled holy, because so consecrated, not on account of his hair being suffered to grow.

You arrive at the cited line; the whole work is yours to read around it. The text is set from the cited public-domain edition.