Parallel
Isaiah 26:3
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
Thou wilt keep him in perfect peace (note: Heb. peace, peace), whose mind (note: Or, thought, or imagination) is stayed on thee: because he trusteth in thee.
You will keep in perfect peace the steadfast of mind, because he trusts in You.