That indicates that his listeners were accustomed to acting in a certain way, according to the oral Pharisaic traditions.
אך אז הציג רעיון נוסף וציין: ” ואני אומר לכם ” (‏ מתי ה ’: ​ 21, 22 ,‏ 27, 28 ,‏ 34 - 31 ,‏ 38, 39 ,‏ 43, 44‏).