H. P. Lovecraft once said, "The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown."

Regardless of how close you walk with God or not, you will at some time or another experience fear.

Scriptures:

Isaiah 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

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Joshua 1:9

Have I not commanded you? Be strong and courageous. Do not be frightened, and do not be dismayed, for the LORD your God is with you wherever you go.”

Psalm 34:4

I sought the LORD, and he answered me and delivered me from all my fears.

2 Timothy 1:7

For God gave us a spirit not of fear but of power and love and self-control.

Psalm 27:1

Of David. The LORD is my light and my salvation; whom shall I fear? The LORD is the stronghold of my life; of whom shall I be afraid?

1 John 4:18

There is no fear in love, but perfect love casts out fear. For fear has to do with punishment, and whoever fears has not been perfected in love.

Deuteronomy 31:6

Be strong and courageous. Do not fear or be in dread of them, for it is the LORD your God who goes with you. He will not leave you or forsake you.”

Psalm 23:4

Even though I walk through the valley of the shadow of death, I will fear no evil, for you are with me; your rod and your staff, they comfort me.