Your word is very pure: therefore your servant loves it.
Read Chapter 119
Augustine of Hippo
138. Then considering with himself with what a flame of love he burned for the commandments of God: "Fiery," saith he, "is Thy word exceedingly, and Thy servant hath loved it" (ver. 140). Justly jealous was he of the impenitent heart in His enemies, who had forgotten God's word; for he endeavoured to bring them unto hat which he himself most ardently loved.