Matthew Poolei.e. Before the ark, which is called the ark of the testimony, Exodus 25:16; and here, by way of abbreviation, the testimony, or witness, because in it were the tables of the covenant, or the law of God, which was a testimony of God’s authority and will, and of man’s subjection and duty, or of the covenant made between God and man. See Deuteronomy 10:5; Deuteronomy 31:26. Quest. How could this be laid up before the ark, when the ark was not yet built? Answ. This text only tells us that Aaron... read more
 
Matthew Poole's English Annotations on the Holy Bible - Exodus 16:25
These words were spoken upon the morning of the sabbath day, as appears from the foregoing verse. A sabbath unto the Lord, i.e. wholly consecrated to his service, and therefore not to be employed in servile works. read more