Isaiah 26:3
You will keep whoever’s mind is steadfast in perfect peace, because he trusts in you.
World English Bible (Public Domain)
In context
Before · Isaiah 26:1–2
1In that day, this song will be sung in the land of Judah: “We have a strong city. God appoints salvation for walls and bulwarks. 2Open the gates, that the righteous nation may enter: the one which keeps faith.
3You will keep whoever’s mind is steadfast in perfect peace, because he trusts in you.