In Oklahoma, after a rain in the summer, you can find crawdads crawling around on the ground.  I have no idea why they come out of their holes.  Maybe because the holes fill up with water?  I remember  when I was a child, splashing through the wet grass, picking them up behind the pinchers and putting them in a box so I could play with them.

Sometimes I would find a mother with her tail literally covered with hundreds of tiny babies holding on like they were glued.  It was fascinating the way the mother would raise her pinchers to defend her family.  And as long as the babies didn't let go, they were safe.
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That may be a stupid story.  But when I think about holding on, I think about those babies holding on to their mother with every thing they had.  The storm raged and the the water rose, but they were safe as long as they held fast.

Heb. 10: 23 "Let us hold fast the profession of our faith without wavering; for he is faithful that promised;"

Once we have given ourselves to our Holy God, we have two things to do according to the author of Hebrews.  1.  Hold fast to our profession of faith.   2.  Don't waver

Our salvation is due to the faithfulness of God, not ours.  He promised.  We are protected because of the nature and character of God.  Not because of our character or our nature.   We are babies when we begin our Christian journey.  We hold on and He carries us.

The foundation of our faith is His faithfulness.   He's got us.  Whatever happens, hold fast.

I'm holding on.  He's faithful.  What more can a person ask for?