Isaiah 50:10 in the World English Bible
Who among you fears the LORD and obeys the voice of his servant? He who walks in darkness and has no light, let him trust in the LORD’s name, and rely on his God.
Context
9 Behold, the Lord GOD will help me; who is he that shall condemn me? lo, they all shall wax old as a garment; the moth shall eat them up.
10 Who is among you that feareth the LORD, that obeyeth the voice of his servant, that walketh in darkness, and hath no light? let him trust in the name of the LORD, and stay upon his God.
11 Behold, all ye that kindle a fire, that compass yourselves about with sparks: walk in the light of your fire, and in the sparks that ye have kindled. This shall ye have of mine hand; ye shall lie down in sorrow.