But, since there WAS no NT at the time Christ spoke to Peter, just what DID Peter and the rest of the Disciples know about ROCKS???
NIV Genesis 49:24-25
24. But his bow remained steady, his strong arms stayed limber, because of the hand of the Mighty One of Jacob, because of the Shepherd, the Rock of Israel,
25. because of your father's God, who helps you, because of the Almighty, who blesses you with blessings of the heavens above, blessings of the deep that lies below, blessings of the breast and womb.
NIV Numbers 20:8
"Take the staff, and you and your brother Aaron gather the assembly together. Speak to that rock before their eyes and it will pour out its water. You will bring water out of the rock for the community so they and their livestock can drink."
NIV Deuteronomy 32:4
He is the Rock, his works are perfect, and all his ways are just. A faithful God who does no wrong, upright and just is he.
NIV Deuteronomy 32:15
Jeshurun grew fat and kicked; filled with food, he became heavy and sleek. He abandoned the God who made him and rejected the Rock his Savior.
NIV Deuteronomy 32:18
You deserted the Rock, who fathered you; you forgot the God who gave you birth.
NIV Deuteronomy 32:30-31
30. How could one man chase a thousand, or two put ten thousand to flight, unless their Rock had sold them, unless the LORD had given them up?
31. For their rock is not like our Rock, as even our enemies concede.
NIV 1 Samuel 2:2
"There is no one holy like the LORD; there is no one besides you; there is no Rock like our God.
NIV 2 Samuel 22:2-3
2. He said: "The LORD is my rock, my fortress and my deliverer;
3. my God is my rock, in whom I take refuge, my shield and the horn of my salvation. He is my stronghold, my refuge and my savior-- from violent men you save me.
NIV 2 Samuel 22:32
For who is God besides the LORD? And who is the Rock except our God?
NIV 2 Samuel 22:47
"The LORD lives! Praise be to my Rock! Exalted be God, the Rock, my Savior!
NIV 2 Samuel 23:3-4
3. The God of Israel spoke, the Rock of Israel said to me: `When one rules over men in righteousness, when he rules in the fear of God,
4. he is like the light of morning at sunrise on a cloudless morning, like the brightness after rain that brings the grass from the earth.'
NIV Psalms 18:2
The LORD is my rock, my fortress and my deliverer; my God is my rock, in whom I take refuge. He is my shield and the horn of my salvation, my stronghold.
NIV Psalms 18:31
For who is God besides the LORD? And who is the Rock except our God?
NIV Psalms 18:46
The LORD lives! Praise be to my Rock! Exalted be God my Savior!
NIV Psalms 19:14
May the words of my mouth and the meditation of my heart be pleasing in your sight, O LORD, my Rock and my Redeemer.
NIV Psalms 28:1
To you I call, O LORD my Rock; do not turn a deaf ear to me. For if you remain silent, I will be like those who have gone down to the pit.
NIV Psalms 31:2-3
2. Turn your ear to me, come quickly to my rescue; be my rock of refuge, a strong fortress to save me.
3. Since you are my rock and my fortress, for the sake of your name lead and guide me.
NIV Psalms 42:9
I say to God my Rock, "Why have you forgotten me? Why must I go about mourning, oppressed by the enemy?"
NIV Psalms 62:2
He alone is my rock and my salvation; he is my fortress, I will never be shaken.
NIV Psalms 62:6
He alone is my rock and my salvation; he is my fortress, I will not be shaken.
NIV Psalms 62:7
My salvation and my honor depend on God ; he is my mighty rock, my refuge.
NIV Psalms 71:3
Be my rock of refuge, to which I can always go; give the command to save me, for you are my rock and my fortress.
NIV Psalms 78:35
They remembered that God was their Rock, that God Most High was their Redeemer.
NIV Psalms 89:26
He will call out to me, `You are my Father, my God, the Rock my Savior.'
NIV Psalms 92:14-15
14. They will still bear fruit in old age, they will stay fresh and green,
15. proclaiming, "The LORD is upright; he is my Rock, and there is no wickedness in him."
NIV Psalms 95:1
Come, let us sing for joy to the LORD; let us shout aloud to the Rock of our salvation.
NIV Psalms 144:1
Praise be to the LORD my Rock, who trains my hands for war, my fingers for battle.
NIV Isaiah 17:10
You have forgotten God your Savior; you have not remembered the Rock, your fortress.
NIV Isaiah 26:4
Trust in the LORD forever, for the LORD, the LORD, is the Rock eternal.
NIV Isaiah 30:29
And you will sing as on the night you celebrate a holy festival; your hearts will rejoice as when people go up with flutes to the mountain of the LORD, to the Rock of Israel.
NIV Isaiah 44:8
Do not tremble, do not be afraid. Did I not proclaim this and foretell it long ago? You are my witnesses. Is there any God besides me? No, there is no other Rock; I know not one."
NIV Habakkuk 1:12
O LORD, are you not from everlasting? My God, my Holy One, we will not die. O LORD, you have appointed them to execute judgment; O Rock, you have ordained them to punish.
.....No other rock.............
And now you know the Biblical position!