John Gill Commentary Exodus 31:12

"And Jehovah spake unto Moses, saying," — Exodus 31:12 (ASV)

And the Lord spoke to Moses
After he had described to him the place of worship, and appointed the priests that should minister in it, and ordered the making of all things appertaining to it, and the workmen that should be concerned therein, he repeats the law of the sabbath, and puts in mind of the time of worship:

saying :
as follows.