John Mark
Mark 10:19BSB·traditional attribution

You know the commandments: ‘Do not murder, do not commit adultery, do not steal, do not bear false witness, do not cheat others, honor your father and mother.’”

Matthew Henry Presbyterian @wholebiblehenry

I. Here is a hopeful meeting between Christ and a young man; such he is said to be (Mat 19:20, Mat 19:22), and a ruler (Luk 18:18), a person of quality. Some circumstances here are, which we had not in Matthew, which makes his address to Christ very promising. 1.

Commenting on Mark 10:17-31

John Gill Reformed Baptist @doctorgill

And he answered and, said unto him,.... With a great deal of pertness, master, all these have I observed from my youth; See Gill on Mat 19:20. In a certain copy, Beza says, it is added, as there, "what lack I yet?" and so in one of Stephens's copies.

Albert Barnes Presbyterian @notesbybarnes

Verse 19. Defraud not. Do not take away your neighbour's property by fraud or dishonesty. To cheat or defraud supposes a covetous desire of a neighbour's property, and is usually attended with falsehood or false witness against a neighbour in obtaining it. It is thus a violation of the ninth and tenth commandments; and our Saviour very properly, therefore, condensed the two, and expressed their substance in this--not to defraud.