Man shall live by every word from the mouth of God

But He answered and said, “It is written, ‘Man shall not live by bread alone, but by every word that proceeds from the mouth of God.’”
Matthew 4:4

What new doctrine is this?

Then they were all amazed, so that they questioned among themselves, saying, “What is this? What new doctrine is this? For with authority He commands even the unclean spirits, and they obey Him.”
Mark 1:27

Remember the Law

Remember the Law of Moses, My servant, Which I commanded him in Horeb for all Israel, With the statutes and judgments.
Malachi 4:4

What do you think?

“What do you think?”

They answered and said, “He is deserving of death.”

Then they spat in His face and beat Him; and others struck Him with the palms of their hands, [68] saying, “Prophesy to us, Christ! Who is the one who struck You?”
Matthew 26:66-68

What are these?

So I answered and spoke to the angel who talked with me, saying, “What are these, my lord?”
Zechariah 4:4

Who then is faithful and wise?

Who then is a faithful and wise servant, whom his master made ruler over his household, to give them food in due season?
Matthew 24:45

Everyone under his vine and his fig tree

But everyone shall sit under his vine and under his fig tree, And no one shall make them afraid; For the mouth of the LORD of hosts has spoken.
Micah 4:4

Which is greater?

Fools and blind! For which is greater, the gold or the temple that sanctifies the gold?
Matthew 23:17