Isaiah 40:27-31 “O Jacob, how can you say the Lord does not see your troubles? O Israel, how can you say God ignores your rights? Have you never heard? Have you never understood? The Lord is the everlasting God, the Creator of all the earth. He never grows weak or weary. No one can measure the depths of his understanding. He gives power to the weak and strength to the powerless. Even youths will become weak and tired, and young men will fall in exhaustion. But those who trust in the Lord will find new strength. They will soar high on wings like eagles. They will run and not grow weary. They will walk and not faint.”
Proverbs 30:5 “Every word of God proves true. He is a shield to all who come to him for protection.”
Psalm 5:12 “For you bless the godly, O Lord; you surround them with your shield of love.”
Psalm 28:7 “The Lord is my strength and shield. I trust him with all my heart. He helps me, and my heart is filled with joy. I burst out in songs of thanksgiving.”
Psalm 29:11 “The Lord gives his people strength. The Lord blesses them with peace.”
Psalm 40:17 “As for me, since I am poor and needy, let the Lord keep me in his thoughts. You are my helper and my savior. O my God, do not delay.”
Psalm 46:1-3 “God is our refuge and strength, always ready to help in times of trouble. So we will not fear when earthquakes come and the mountains crumble into the sea. Let the oceans roar and foam. Let the mountains tremble as the waters surge!”
Psalm 68:35 “God is awesome in his sanctuary. The God of Israel gives power and strength to his people. Praise be to God!”
Psalm 91 (Whole Psalm) This one is really good!
Psalm 125:1 “Those who trust in the Lord are as secure as Mount Zion; they will not be defeated but will endure forever.”
Psalm 144:1-2 “Praise the Lord, who is my rock. He trains my hands for war and gives my fingers skill for battle. He is my loving ally and my fortress, my tower of safety, my rescuer. He is my shield, and I take refuge in him. He makes the nations submit to me.”
Zechariah 2:5 “Then I, myself, will be a protective wall of fire around Jerusalem, says the Lord. And I will be the glory inside the city!’”
2 Thessalonians 3:3-5 “But the Lord is faithful; he will strengthen you and guard you from the evil one. And we are confident in the Lord that you are doing and will continue to do the things we commanded you. May the Lord lead your hearts into a full understanding and expression of the love of God and the patient endurance that comes from Christ.”
Healing and Discipleship 
Isaiah 40:27-31 “O Jacob, how can you say the Lord does not see your troubles? O Israel, how can you say God ignores your rights? Have you never heard? Have you never understood? The Lord is the everlasting God, the Creator of all the earth. He never grows weak or weary. No one can measure the depths of his understanding. He gives power to the weak and strength to the powerless. Even youths will become weak and tired, and young men will fall in exhaustion. But those who trust in the Lord will find new strength. They will soar high on wings like eagles. They will run and not grow weary. They will walk and not faint.”
Proverbs 30:5 “Every word of God proves true. He is a shield to all who come to him for protection.”
Psalm 5:12 “For you bless the godly, O Lord; you surround them with your shield of love.”
“The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.” Psalm 18:2
“סֶלַע çelaʻ, seh’-lah; from an unused root meaning to be lofty; a craggy rock, literally or figuratively (a fortress):—(ragged) rock, stone(-ny), strong hold.”
https://www.blueletterbible.org/lang/lexicon/lexicon.cfm?Strongs=H5553&t=KJV
“מָצוּד mâtsûwd, maw-tsood’; or (feminine) מְצוּדָה mᵉtsûwdâh; or מְצֻדָה mᵉtsudâh; for H4685; a net, or (abstractly) capture; also a fastness:—castle, defense, fort(-ress), (strong) hold, be hunted, net, snare, strong place.”
“לַט pâlaṭ, paw-lat’; a primitive root; to slip out, i.e. escape; causatively, to deliver:—calve, carry away safe, deliver, (cause to) escape.”
צוּר tsûwr, tsoor; or צֻר tsur; from H6696; properly, a cliff (or sharp rock, as compressed); generally, a rock or boulder; figuratively, a refuge; also an edge (as precipitous):—edge, × (mighty) God (one), rock, × sharp, stone, × strength, × strong. See also H1049.
מָגֵן mâgên, maw-gane’; also (in plural) feminine מְגִנָּה mᵉginnâh; from H1598; a shield (i.e. the small one or buckler); figuratively, a protector; also the scaly hide of the crocodile:—× armed, buckler, defence, ruler, scale, shield.
Strong’s Definitions [?](Strong’s Definitions Legend)
קֶרֶן qeren, keh’-ren; from H7160; a horn (as projecting); by implication, a flask, cornet; by resemblance. an elephant’s tooth (i.e. ivory), a corner (of the altar), a peak (of a mountain), a ray (of light); figuratively, power:—× hill, horn.
יֶשַׁע yeshaʻ, yeh’-shah; or יֵשַׁע yêshaʻ; from H3467; liberty, deliverance, prosperity:—safety, salvation, saving.
מִשְׂגָּב misgâb, mis-gawb’; from H7682; properly, a cliff (or other lofty or inaccessible place); abstractly, altitude; figuratively, a refuge; Misgab, a place in Moab:—defence, high fort (tower), refuge, Misgab.