Thy word is true from the beginning,.... Every word of promise God made from the beginning of the world, and in any period of time; as to Adam, to Abraham, to the Israelites, or to any other person or persons; was true in itself, and faithfully performed, not one ever failed; particularly the promise concerning the Messiah, made to Adam in Eden; and which has been spoken of by all the prophets which have been since the world began, Gen 3:15. Or it maybe rendered, as the Targum, "the beginning of thy word is truth (h):'' which a man finds to be so as soon as ever he enters upon the reading of it. Some refer this to the first chapter of Genesis; others to the first part of the decalogue, concerning the unity of God and his worship; so Aben Ezra, and R. Jeshua, as cited by him, and Jarchi; the same is mentioned by Kimchi as one of the senses, though the first he gives is agreeable to our version: but there is no need to restrain the sense to those particulars, or to the first part of the Scriptures, since the whole is truth; and the meaning may be, "the sum of thy word is truth" (i): so the word here used is sometimes taken for the sum of anything, Num 26:2; all that is contained in the word of God is truth; its promises, precepts and doctrines, histories, prophecies and proverbs, all the sayings of it are faithful and true; and everyone of thy righteous judgments endureth for ever; every precept of the word, and doctrine of it; see Psa 119:152. (h) "principium verbi tui veritas", Pagninus, Musculus; "vel verborum tuorum", V. L. (i) "Summa verbi tui est veritas", Cocceius, Schmidt.