Leviticus 19:1

“And the Lord spake unto Moses, etc.] About the same, or quickly after he had delivered the above laws to him; and there are many in this chapter, which were before given, and here repeated: saying; as follows.”

“A REPETITION OF SUNDRY LAWS. (Lev. 19:1-37) Speak unto all the congregation of the children of Israel--Many of the laws enumerated in this chapter had been previously announced. As they were, however, of a general application, not suited to particular classes, but to the nation at large, so Moses seems, according to divine instructions, to have rehearsed them, perhaps on different occasions and to successive divisions of the people, till "all the congregation of the children of Israel" were taught to know them. The will of God in the Old as well as the New Testament Church was not locked up in the repositories of an unknown tongue, but communicated plainly and openly to the people. Ye shall…”

“Holiness of Behaviour Towards God and Man. - However manifold the commandments, which are grouped together rather according to a loose association of ideas than according to any logical arrangement, they are all linked together by the common purpose expressed in Lev 19:2 in the words, "Ye shall be holy, for I am holy, Jehovah your God." The absence of any strictly logical arrangement is to be explained chiefly from the nature of the object, and the great variety of circumstances occurring in life which no casuistry can fully exhaust, so that any attempt to throw light upon these relations must consist more or less of the description of a series of concrete events. Leviticus 19:2”