Mark 12:28

And one of the scribes came, and hearing their argument together, and seeing that he had given them a good answer, put the question to him, Which law is the first of all?

Matthew 22:34-40

But the Pharisees, hearing how the mouths of the Sadducees had been stopped, came together;

Luke 10:25-28

And a certain teacher of the law got up and put him to the test, saying, Master, what have I to do so that I may have eternal life?

Luke 20:39

And some of the scribes, in answer to this, said, Master, you have said well.

Matthew 5:19

Whoever then goes against the smallest of these laws, teaching men to do the same, will be named least in the kingdom of heaven; but he who keeps the laws, teaching others to keep them, will be named great in the kingdom of heaven.

Matthew 19:18

He says to him, Which? And Jesus said, Do not put anyone to death, Do not be untrue in married life, Do not take what is not yours, Do not give false witness,

Matthew 23:23

A curse is on you, scribes and Pharisees, false ones! for you make men give a tenth of all sorts of sweet-smelling plants, but you give no thought to the more important things of the law, righteousness, and mercy, and faith; but it is right for you to do these, and not to let the others be undone.

Luke 11:42

But a curse is on you, Pharisees! for you make men give a tenth of every sort of plant, and give no thought to right and the love of God; but it is right for you to do these things, and not let the others be undone.

Treasury of Scripture Knowledge

Summary

And one of the scribes came, and having heard them reasoning together, and perceiving that he had answered them well, asked him, Which is the first commandment of all?

General references

Bible References

One

Matthew 22:34
But the Pharisees, hearing how the mouths of the Sadducees had been stopped, came together;

Which

Matthew 5:19
Whoever then goes against the smallest of these laws, teaching men to do the same, will be named least in the kingdom of heaven; but he who keeps the laws, teaching others to keep them, will be named great in the kingdom of heaven.
Matthew 19:18
He says to him, Which? And Jesus said, Do not put anyone to death, Do not be untrue in married life, Do not take what is not yours, Do not give false witness,
Matthew 23:23
A curse is on you, scribes and Pharisees, false ones! for you make men give a tenth of all sorts of sweet-smelling plants, but you give no thought to the more important things of the law, righteousness, and mercy, and faith; but it is right for you to do these, and not to let the others be undone.
Luke 11:42
But a curse is on you, Pharisees! for you make men give a tenth of every sort of plant, and give no thought to right and the love of God; but it is right for you to do these things, and not let the others be undone.

General references

Matthew 22:36
Master, which is the chief rule in the law?

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain