Passage
The sum of Thy word <FI>is<Fi> truth, And to the age <FI>is<Fi> every judgment of Thy righteousness!
The sum of Thy word <FI>is<Fi> truth, And to the age <FI>is<Fi> every judgment of Thy righteousness!
Psalms 119:158 I have seen treacherous ones, And grieve myself, Because Thy saying they have not kept.
Psalms 119:159 See, for thy precepts I have loved, Jehovah, According to Thy kindness quicken me.
Psalms 119:160 The sum of Thy word <FI>is<Fi> truth, And to the age <FI>is<Fi> every judgment of Thy righteousness!
Psalms 119:161 <FI> Shin.<Fi> Princes have pursued me without cause, And because of Thy words was my heart afraid.
Psalms 119:162 I do rejoice concerning Thy saying, As one finding abundant spoil.
The verse centers on "word", "truth", "judgment", and "righteousness". It is saying that the verse draws attention to "word" and "truth", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 159's "See for thy precepts I have loved..." into verse 161's "FI Shin Fi Princes have pursued me...", so "word" and "truth" belong inside that flow. In Psalms context, the local focus is worship, trust, the LORD's kingship, and covenant mercy.
A plain takeaway is to answer the verse's own emphasis on "word" and "truth" with trust shaped by these words, not by a vague optimism outside the passage.