God's Word is Truth

Sanctify them through thy truth: thy word is truth. (John 17:17 KJV)

All of God's Word is truth.
Psalm 119:160
KJV
Thy word is true from the beginning: and every one of thy righteous judgments endureth for ever.
ESV
The sum of your word is truth, and every one of your righteous rules endures forever.
NASB
The sum of Your word is truth, And every one of Your righteous ordinances is everlasting.
HCSB
The entirety of Your word is truth, and all Your righteous judgments endure forever.
NIV
All your words are true; all your righteous laws are eternal.
NET
Your instructions are totally reliable; all your just regulations endure.
NLT
The very essence of your words is truth; all your just regulations will stand forever.
YLT
The sum of Thy word is truth, And to the age is every judgment of Thy righteousness!
CUV
你話的總綱是真實； 你一切公義的典章是永遠長存 。
Hebrew word for word
Beginning Your word true, forever every one of Your judgments righteous.

God is Truth. Jesus is Truth. The Holy Spirit is truth.

The grass withers and the flowers fall, but the word of our God endures forever. (Isaiah 40:8 NIV)