But I say to you.... 5 times in Matthew 5, the first chapter of the Sermon on the Mount, Jesus says, "But I say to you." These are are called the "antitheses" by commentators and they each follow Jesus quoting from the Law. The five occasions are 5.21 “You have heard that people were told in the past, ‘Do not commit murder; anyone who does will be brought to trial.’" 5.27 “You have heard that it was said, ‘Do not commit adultery.’" 5.33 “You have also heard that people were told in the past, ‘Do not break your promise, but do what you have vowed to the Lord to do.’" 5.37 “You have heard that it was said, ‘An eye for an eye, and a tooth for a tooth.’" and 5.43 “You have heard that it was said, ‘Love your friends, hate your enemies.’" To each of these "You have heard ..." Jesus says, "But I say to you..." "Don't just not kill or murder.... don't even be angry. Don't just not commit adultery, don't ...