'Trust in the Lord' in the Bible

But if thou wouldest say unto me: 'We trust in the LORD our God': is not he that God whose High places and altars Hezekiah took down, and commanded Judah and Jerusalem to worship only before this altar?

Therefore, whoso feareth the LORD among you, let him hear the voice of his servant. Who so walketh in darkness, and no light shineth upon him, let him trust in the LORD and hold him by his God.