With your loins girded In a travelling posture, prepared for a journey, which is also the import of the three following particulars. Ye shall eat it in haste As men expecting every moment to begin their journey. Now all these ceremonies were to accompany the feast, that it might be a more lively commemoration of their signal deliverance out of Egypt. It is the Lord's passover A sacrifice in honour of Jehovah, who passed over, or spared the Israelites, when he smote the Egyptians. It was not, however, strictly a sacrifice, not being offered upon the altar, but a religious ceremony, acknowledging God's goodness to them, not only in preserving them from, but in delivering them by, the plagues inflicted on the Egyptians. Let nothing of it remain until the morning God would have them to depend on him for their daily bread. That which remaineth ye shall burn with fire To prevent its corruption, and the profane abuse of it.
Related Commentaries of Exodus 12:10
Exodus 12:10-11
10 And ye shall let nothing of it remain until the morning; and that which remaineth of it until the morning ye shall burn with fire.
11 And thus shall ye eat it; with your loins girded, your shoes on your feet, and your staff in your hand; and ye shall eat it in haste: it is the LORD'S passover.