(In saying this, Jesus declared all foods clean.)
In other words, God was Himself dull when he gave the laws on clean and unclean foods. Or God was dull when he told Noah to take seven pairs of clean animals and one pair of unclean animals.
v. 15 “Nothing outside a person can defile them by going into them.”
Jesus was talking about defilement, not food. Jesus said He did not come to destroy the law, the law here means the Old Testament.
” In other words, God was Himself dull when he gave the laws on clean and unclean foods. “
No, Jesus was given the authority to communicate changes to the law.
For example, Mathew 19:
3 Some Pharisees came to him to test him. They asked, “Is it lawful for a man to divorce his wife for any and every reason?”
4 “Haven’t you read,” he replied, “that at the beginning the Creator ‘made them male and female,’[a] 5 and said, ‘For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh’[b]? 6 So they are no longer two, but one flesh. Therefore what God has joined together, let no one separate.”
7 “Why then,” they asked, “did Moses command that a man give his wife a certificate of divorce and send her away?”
8 Jesus replied, “Moses permitted you to divorce your wives because your hearts were hard. But it was not this way from the beginning. 9 I tell you that anyone who divorces his wife, except for sexual immorality, and marries another woman commits adultery.”