28 Then one of the scribes, on hearing them arguing, came up, and since he saw that Jesus had answered them properly, he asked Him, "What sort of command is the first of all commands?"
Mark 12:28 Cross References - Williams
Matthew 5:19
19 Whoever, therefore, breaks one of the least of these commands and teaches others so to do, will be ranked as least in the kingdom of heaven, but whoever practices them and teaches others so to do, will be ranked as great in the kingdom of heaven.
Matthew 19:18
18 He asked Him, "What sort of commandments?" Jesus answered, "You must not murder. You must not commit adultery. You must not steal. You must not lie,
Matthew 22:34-40
34 Now the Pharisees heard that He had silenced the Sadducees, and so they had a meeting.
35 And one of their number, an expert in the law, to tempt Him, asked,
36 "Teacher, what sort of command is greatest in the law?"
37 And He answered him, "'You must love the Lord your God with your whole heart, your whole soul, and your whole mind.'
38 This is the greatest command, and is first in importance.
39 The second is like it: 'You must love your neighbor as you do yourself.'
40 The essence of the whole law and the prophets is packed into these two commands."
Matthew 23:23
23 "A curse on you, you hypocritical scribes and Pharisees! For you pay tithes on mint and dill and cummin, and yet leave out the more vital matters of the law, justice, love and fidelity. These latter especially you ought to have done, but ought not to have left out the former.
Luke 10:25-28
25 Just then an expert in the law got up to test Him by asking, "Teacher, what shall I do to get possession of eternal life?"
26 And He answered him, "What is written in the law? How does it read?"
27 Then he answered, "You must love the Lord your God with your whole heart, your whole soul, your whole strength, and your whole mind, and your neighbor as you do yourself."
28 He said to him, "You have answered correctly. Continue to do this, and you will live."
Luke 11:42
42 But a curse on you Pharisees, because you pay tithes on mint, rue, and every tiny garden herb, but neglect justice and the love of God! These latter especially you ought to have done, but ought not to have neglected the former.
Luke 20:39
39 Then some of the scribes answered Him, "Teacher, you have given a fine answer."