Blessed are all those who put their trust in Him. Psalm 2:12b
Whether it be a Noah who is to build a ship on dry land, an Abraham who is to offer up his only son, or a Moses who is to despise the treasures of Egypt, or a Joshua who is to besiege Jericho seven days, using no weapons but the blasts of rams' horns, they all act upon God's command, contrary to the dictates of carnal reason; and the Lord gives them a rich reward as the result of their obedient faith. Charles Haddon Spurgeon, 1834-92, British Reformed Baptist, highly influential amongst Christians of different denominations

Lord, how they have increased who trouble me! Many are they who rise up against me. Many are they who say of me, "There is no help for him in God. Psalm 3:1,2
Our worst days are never so bad that you are beyond the reach of God's grace. And your best days are never so good that you are beyond the need of God's grace. Jerry Bridges

You, O Lord, are a shield about (above, beneath, around, without and within) me. Psalm 3:3a
God Himself, surrounds His children as a shield. The shaft which touches them must (be allowed to) pierce through God! Henry Law, Christian commentary writer

But You, O Lord, are . My glory and the One who lifts up my head. Psalm 3:3
We too often think of hope as wishful thinking. Biblical hope is not a wish; it is a strong confidence. Rev. Bruce Goettsche, La Harpe, IL. www.unionchurch.com

I cried to the Lord with my voice, And He heard me from His holy hill. Psalm 3:4

.conceive of that treasury of mercies which lies in this one privilege: having liberty and ability to approach unto God at all times. John Owen, 1616-83