Isaiah 43:1-2
43 But now, this is what the Lord says—
he who created you, Jacob,
he who formed you, Israel:
“Do not fear, for I have redeemed you;
I have summoned you by name; you are mine.
2 When you pass through the waters,
I will be with you;
and when you pass through the rivers,
they will not sweep over you.
When you walk through the fire,
you will not be burned;
the flames will not set you ablaze.

Psalm 23:4 (KJV)
Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me…

Psalm 23:4 (NIV)
Even though I walk through the darkest valley, I will fear no evil….