Cross-references Explore similar Bible verses on Exodus 40:31 in English Standard Version "with which Moses and Aaron and his sons washed their hands and their feet." Ex 30:19 with which Aaron and his sons shall wash their hands and their feet. Ex 30:21 They shall wash their hands and their feet, so that they may not die. It shall be a statute forever to them, even to him and to his offspring throughout their generations.”