1 Samuel 17:49-51
Then David reached into his bag, took out a stone, and slung it, striking the Philistine on the forehead. The stone sank into his forehead, and he fell facedown on the ground. / Thus David prevailed over the Philistine with a sling and a stone; without a sword in his hand he struck down the Philistine and killed him. / David ran and stood over him. He grabbed the Philistine’s sword and pulled it from its sheath and killed him, and he cut off his head with the sword. When the Philistines saw that their hero was dead, they turned and ran.

Hebrews 11:32-34
And what more shall I say? Time will not allow me to tell of Gideon, Barak, Samson, Jephthah, David, Samuel, and the prophets, / who through faith conquered kingdoms, administered justice, and gained what was promised; who shut the mouths of lions, / quenched the raging fire, and escaped the edge of the sword; who gained strength from weakness, became mighty in battle, and put foreign armies to flight.

1 Corinthians 1:27-29
But God chose the foolish things of the world to shame the wise; God chose the weak things of the world to shame the strong. / He chose the lowly and despised things of the world, and the things that are not, to nullify the things that are, / so that no one may boast in His presence.

Joshua 6:20
So when the rams’ horns sounded, the people shouted. When they heard the blast of the horn, the people gave a great shout, and the wall collapsed. Then all the people charged straight into the city and captured it.

1 Samuel 14:6-14
Jonathan said to the young man bearing his armor, “Come, let us cross over to the outpost of these uncircumcised men. Perhaps the LORD will work on our behalf. Nothing can hinder the LORD from saving, whether by many or by few.” / His armor-bearer replied, “Do all that is in your heart. Go ahead; I am with you heart and soul.” / “Very well,” said Jonathan, “we will cross over toward these men and show ourselves to them. ...

2 Corinthians 12:9-10
But He said to me, “My grace is sufficient for you, for My power is perfected in weakness.” Therefore I will boast all the more gladly in my weaknesses, so that the power of Christ may rest on me. / That is why, for the sake of Christ, I delight in weaknesses, in insults, in hardships, in persecutions, in difficulties. For when I am weak, then I am strong.

Exodus 4:2-4
And the LORD asked him, “What is that in your hand?” “A staff,” he replied. / “Throw it on the ground,” said the LORD. So Moses threw it on the ground, and it became a snake, and he ran from it. / “Stretch out your hand and grab it by the tail,” the LORD said to Moses, who reached out his hand and caught the snake, and it turned back into a staff in his hand.

1 Samuel 17:45-47
But David said to the Philistine, “You come against me with sword and spear and javelin, but I come against you in the name of the LORD of Hosts, the God of the armies of Israel, whom you have defied. / This day the LORD will deliver you into my hand. This day I will strike you down, cut off your head, and give the carcasses of the Philistine army to the birds of the air and the creatures of the earth. Then the whole world will know that there is a God in Israel. / And all those assembled here will know that it is not by sword or spear that the LORD saves; for the battle is the LORD’s, and He will give all of you into our hands.”

2 Kings 13:18-19
Then Elisha said, “Take the arrows!” So he took them, and Elisha said to the king of Israel, “Strike the ground!” So he struck the ground three times and stopped. / But the man of God was angry with him and said, “You should have struck the ground five or six times. Then you would have struck down Aram until you had put an end to it. But now you will strike down Aram only three times.”

Zechariah 4:6
So he said to me, “This is the word of the LORD to Zerubbabel: Not by might nor by power, but by My Spirit, says the LORD of Hosts.

1 Samuel 17:40
And David took his staff in his hand, selected five smooth stones from the brook, and put them in the pouch of his shepherd’s bag. And with his sling in hand, he approached the Philistine.

1 Samuel 23:2-5
So David inquired of the LORD, “Should I go and attack these Philistines?” And the LORD said to David, “Go and attack the Philistines and save Keilah.” / But David’s men said to him, “Look, we are afraid here in Judah; how much more if we go to Keilah against the armies of the Philistines?” / Once again, David inquired of the LORD, and the LORD answered him: “Go at once to Keilah, for I will deliver the Philistines into your hand.” ...

2 Samuel 23:8-12
These are the names of David’s mighty men: Josheb-basshebeth the Tahchemonite was chief of the Three. He wielded his spear against eight hundred men, whom he killed at one time. / Next in command was Eleazar son of Dodo the Ahohite. As one of the three mighty men, he went with David to taunt the Philistines who had gathered for battle at Pas-dammim. The men of Israel retreated, / but Eleazar stood his ground and struck the Philistines until his hand grew weary and stuck to his sword. The LORD brought about a great victory that day. Then the troops returned to him, but only to plunder the dead. ...

Isaiah 41:14-16
Do not fear, O Jacob, you worm, O few men of Israel. I will help you,” declares the LORD. “Your Redeemer is the Holy One of Israel. / Behold, I will make you into a threshing sledge, new and sharp, with many teeth. You will thresh the mountains and crush them, and reduce the hills to chaff. / You will winnow them, and a wind will carry them away; a gale will scatter them. But you will rejoice in the LORD; you will glory in the Holy One of Israel.

1 Samuel 17:34-37
David replied, “Your servant has been tending his father’s sheep, and whenever a lion or a bear came and carried off a lamb from the flock, / I went after it, struck it down, and delivered the lamb from its mouth. If it reared up against me, I would grab it by its fur, strike it down, and kill it. / Your servant has killed lions and bears; this uncircumcised Philistine will be like one of them, for he has defied the armies of the living God.” ...