By adopting and regulating customary usages (for example, Egyptian ones), Moses provides both a check on superstition and a means of keeping the Di…

And thou shalt bind them ... —From this precept the Jews derive the use of the Tephillin, the portions of the Law which t…

And you shall bind them for a sign upon your hand,

They shall be your practical guide, at your fingers' ends, as it were.