Stand Alone - Psalm 23 - My Shepherd

Psalm 23 - The Lord is my Shepherd
Armed, Dangerous and with me

The sheep, the children of God, follow him wherever he leads them.

What security is there in his grip to protect his sheep from perishing, and provide them green pasture and eternal life.

Two questions this raises are: Where is he leading? And how can we be sure of his grip, that he will not let go?