Trust in the LORD forever, For in Yah, the LORD, is everlasting strength.
Isaiah 26:4
Surrounding context
26:3 You will keep him in perfect peace, Whose mind is stayed on You, Because he trusts in You.
26:4 Trust in the LORD forever, For in Yah, the LORD, is everlasting strength.
26:5 For He brings down those who dwell on high, The lofty city; He lays it low, He lays it low to the ground, He brings it down to the dust.