Yes, yes! This has been one of my biggest tools....quoting and rehearsing God's Word and standing on what He said.
This might help, too:
Peace, joy, rest, sound mind - scriptures
Isa 26:3 Thou wilt keep him in perfect peace, whose mind is stayed on thee: because he trusteth in thee.
Php 4:6 do not be anxious about anything, but in everything by prayer and supplication with thanksgiving let your requests be made known to God.
Php 4:7 And the peace of God, which passeth all understanding, shall keep your hearts and minds through Christ Jesus.
Psa 34:4 I sought the LORD, and he heard me, and delivered me from all my fears.
Isa 41:10 fear not, for I am with you; be not dismayed, for I am your God; I will strengthen you, I will help you, I will uphold you with my righteous right hand.
Joh 14:27 Peace I leave with you; my peace I give to you. Not as the world gives do I give to you. Let not your hearts be troubled, neither let them be afraid.
Joh 16:33 I have said these things to you, that in me you may have peace. In the world you will have tribulation. But take heart; I have overcome the world."
Mat 11:28 Come unto me, all ye that labour and are heavy laden, and I will give you rest.
Mat 11:29 Take my yoke upon you, and learn of me; for I am meek and lowly in heart: and ye shall find rest unto your souls.
Rom 14:17 For the kingdom of God is not meat and drink; but righteousness, and peace, and joy in the Holy Ghost.
(And we’re in His kingdom right now)
Col 1:13 Who hath delivered us from the power of darkness, and hath translated us into the kingdom of his dear Son:
Rom 15:13 Now the God of hope fill you with all joy and peace in believing, that ye may abound in hope, through the power of the Holy Ghost.
2Ti 1:7 For God hath not given us the spirit of fear; but of power, and of love, and of a sound mind.
Rom 8:15 For you did not receive the spirit of slavery to fall back into fear, but you have received the Spirit of adoption as sons, by whom we cry, "Abba! Father!"
Isa 53:4 Surely he hath borne our griefs, and carried our sorrows: yet we did esteem him stricken, smitten of God, and afflicted.
1Pe 5:6 Humble yourselves, therefore, under the mighty hand of God so that at the proper time he may exalt you,
1Pet 5:7 casting all your anxieties on him, because he cares for you.
Psa 91:14 Because he hath set his love upon me, therefore will I deliver him: I will set him on high, because he hath known my name.
Psa 91:15 He shall call upon me, and I will answer him: I will be with him in trouble; I will deliver him, and honour him.
Psa 91:16 With long life will I satisfy him, and shew him my salvation.
Joh 10:10 The thief cometh not, but for to steal, and to kill, and to destroy: I am come that they might have life, and that they might have it more abundantly.