It is.

Matthew 4:7, 10
Jesus replied, "It is also written: 'Do not put the Lord your God to the test.'" . . .

Luke 4:4, 8, 12
But Jesus answered, "It is written: 'Man shall not live on bread alone.'" . . .

Romans 15:4
For everything that was written in the past was written for our instruction, so that through endurance and the encouragement of the Scriptures, we might have hope.

Ephesians 6:17
And take the helmet of salvation and the sword of the Spirit, which is the word of God.

Man.

Deuteronomy 8:3
He humbled you, and in your hunger gave you manna to eat, which neither you nor your fathers had known, so that you might understand that man does not live on bread alone, but on every word that comes from the mouth of the LORD.

Luke 4:4
But Jesus answered, "It is written: 'Man shall not live on bread alone.'"

but.

Matthew 14:16-21
"They do not need to go away, " Jesus replied. "You give them something to eat." . . .

Exodus 16:8, 15, 35
And Moses added, "The LORD will give you meat to eat this evening and bread to fill you in the morning, for He has heard your grumbling against Him. Who are we? Your grumblings are not against us but against the LORD." . . .

Exodus 23:15
You are to observe the Feast of Unleavened Bread as I commanded you: At the appointed time in the month of Abib you are to eat unleavened bread for seven days, because that was the month you came out of Egypt. No one may appear before Me empty-handed.

1 Kings 17:12-16
But she replied, "As surely as the LORD your God lives, I have no bread--only a handful of flour in a jar and a little oil in a jug. Look, I am gathering a couple of sticks to go in and prepare for myself and my son, so that we may eat it and die." . . .

2 Kings 4:42-44
Now a man from Baal-shalishah came to the man of God with a sack of twenty loaves of barley bread from the first ripe grain. "Give it to the people to eat, " said Elisha. . . .

2 Kings 7:1, 2
Then Elisha said, "Hear the word of the LORD! This is what the LORD says: 'About this time tomorrow at the gate of Samaria, a seah of fine flour will sell for a shekel, and two seahs of barley will sell for a shekel.'" . . .

Haggai 2:16-19
from that time when one came expecting a heap of twenty ephahs of grain, there were but ten. When one came to the winepress to draw out fifty baths, there were but twenty. . . .

Malachi 3:9-11
You are cursed with a curse, yet you--the whole nation--are still robbing Me. . . .

Mark 6:38-44
"Go and see how many loaves you have, " He told them. And after checking they said, "Five, and two fish." . . .

Mark 8:4-9
His disciples replied, "Where in this desolate place could anyone find enough bread to feed all these people?" . . .

John 6:5
When Jesus looked up and saw a large crowd coming toward Him, He said to Philip, "Where can we buy bread for these people to eat?"

John 6:31
Our forefathers ate the manna in the wilderness, as it is written: 'He gave them bread from heaven to eat.'"

John 6:63
The Spirit gives life; the flesh profits nothing. The words I have spoken to you are spirit and they are life.

but.