According to Mark he said, “Whosoever shall put away his wife, and marry another, committeth adultery.” What did he say according to Matthew?
“Whosoever shall put away his wife, except it be for fornication, and shall marry another, committeth adultery” ([xix, 9]).
This is a notable discrepancy. According to Mark if a husband divorce his wife for any cause whatever he cannot lawfully marry another. According to Matthew if he divorce his wife for fornication he can lawfully marry again.
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In his conversation with the rich man what commandments did he prescribe?
“Do not commit adultery, Do not kill, Do not steal, Do not bear false witness, Honor thy father and thy mother” ([Luke xviii, 20]).
“Do not commit adultery, Do not kill, Do not steal, Do not bear false witness, Defraud not, Honor thy father and thy mother” ([Mark x, 19]).
“Thou shalt do no murder, Thou shalt not commit adultery, Thou shalt not steal, Thou shalt not bear false witness, Honor thy father and thy mother; and, Thou shalt love thy neighbor as thyself” ([Matthew xix, 18, 19]).
No two of the Synoptics agree. Mark and Matthew each give a commandment not given by either of the others.