TRUST Isaiah 50:10

Who among you fears the LORD and obeys the word of his servant? Let the one who walks in the dark, who has no light, trust in the name of the LORD and rely on their God.

Who among you fears the LORD 
Proverbs 1:7  The fear of the LORD is the beginning of knowledge, but fools despise wisdom and instruction.

and obeys 
Isaiah 1:19-20  "If you are willing and obedient, you will eat the good things of the land, but if you resist and rebel, you will be devoured by the sword." For the mouth of the LORD has spoken.
Haggai 1:12  Then Zerubbabel son of Shealtiel, Joshua son of Jozadak, the high priest, and the whole remnant of the people obeyed the voice of the LORD their God and the message of the prophet Haggai, because the LORD their God had sent him. And the people feared the LORD.

the word of his servant 
Isaiah 49:3  He said to me, "You are my servant, Israel, in whom I will display my splendor."

Let the one who walks in the dark, who has no light 
Psalm 107:14  He brought them out of darkness, the utter darkness, and broke away their chains.
Acts 26:17-18  "I will rescue you from your own people and from the Gentiles. I am sending you to them to open their eyes and turn them from darkness to light, and from the power of Satan to God, so that they may receive forgiveness of sins and a place among those who are sanctified by faith in me." (Jesus speaking to Saul/Paul)

trust in the name of the LORD and rely on their God 
Isaiah 10:20  In that day the remnant of Israel, the survivors of Jacob, will no longer rely on him who struck them down but will truly rely on the LORD, the Holy One of Israel.
Isaiah 26:4  Trust in the LORD forever, for the LORD, the LORD himself, is the Rock eternal.

(parentheses are mine)

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
Limited to 15 verses per post.