Malachi 1:6; Malachi 4:4

6 " 'A son honors his father, and a servant his master. Then if I am a father, where is My honor? And if I am a master, where is My respect?' says the LORD of hosts to you, O priests who despise My name. But you say, 'How have we despised Your name?'
4 "Remember the law of Moses My servant, even the statutes and ordinances which I commanded him in Horeb for all Israel.