John Gills Exposition of the Bible Commentary - Exodus 34:19
All that openeth the matrix is mine ,.... Or "the womb", and therefore to be sanctified, and set apart for his use: this also was declared, and the law concerning it given, at the time of their coming out of Egypt, and here repeated; see Gill on Exodus 13:2 , Exodus 13:12 . read more
Matthew Henry's Complete Commentary - Exodus 34:18-27
Here is a repetition of several appointments made before, especially relating to their solemn feasts. When they had made the calf, they proclaimed a feast in honour of it; now, that they might never do so again, they are here charged with the observance of the feasts which God had instituted. Note, Men need not be drawn from their religion by the temptation of mirth, for we serve a Master that has abundantly provided for the joy of his servants: serious godliness is a continual feast, and joy... read more