Fighting weariness

Isaiah 40:29
He gives strength to the weary and increases the power of the weak.

Isaiah 40:31
but those who hope in the LORD will renew their strength. They will soar on wings like eagles; they will run and not grow weary, they will walk and not be faint.

Jeremiah 31:25
I will refresh the weary and satisfy the faint."

Matthew 11:28
"Come to me, all you who are weary and burdened, and I will give you rest.