121 Therefore, I urge you, brothers and sisters, in view of God's mercy, to offer your bodies as a living sacrifice, holy and pleasing to God-this is your true and proper worship.
15 Through Jesus, therefore, let us continually offer to God a sacrifice of praise-the fruit of lips that openly profess his name.
(Read Hebrews 13:7-15)
The instructions and examples of ministers, who honourably and comfortably closed their testimony, should be particularly remembered by survivors. And though their ministers were some dead, others dying, yet the great Head and High Priest of the church, the Bishop of their souls, ever lives, and is ever the same. Christ is the same in the Old Testament day. as in the gospel day, and will be so to his people for ever, equally merciful, powerful, and all-sufficient. Still he fills the hungry, encourages the trembling, and welcomes repenting sinners: still he rejects the proud and self-righteous, abhors mere profession, and teaches all whom he saves, to love righteousness, and to hate iniquity. Believers should seek to have their hearts established in simple dependence on free grace, by the Holy Spirit, which would comfort their hearts, and render them proof against delusion. Christ is both our Altar and our Sacrifice; he sanctifies the gift. The Lord's supper is the feast of the gospel passover. Having showed that keeping to the Levitical law would, according to its own rules, keep men from the Christian altar, the apostle adds, Let us go forth therefore unto him without the camp; go forth from the ceremonial law, from sin, from the world, and from ourselves. Living by faith in Christ, set apart to God through his blood, let us willingly separate from this evil world. Sin, sinners, nor death, will not suffer us to continue long here; therefore let us go forth now by faith and seek in Christ the rest and peace which this world cannot afford us. Let us bring our sacrifices to this altar, and to this our High Priest, and offer them up by him. The sacrifice of praise to God, we should offer always. In this are worship and prayer, as well as thanksgiving.
5 you also, like living stones, are being built into a spiritual house to be a holy priesthood, offering spiritual sacrifices acceptable to God through Jesus Christ.
(Read 1 Peter 2:1-10)
Evil-speaking is a sign of malice and guile in the heart; and hinders our profiting by the word of God. A new life needs suitable food. Infants desire milk, and make the best endeavours for it which they are able to do; such must be a Christian's desires after the word of God. Our Lord Jesus Christ is very merciful to us miserable sinners; and he has a fulness of grace. But even the best of God's servants, in this life, have only a taste of the consolations of God. Christ is called a Stone, to teach his servants that he is their protection and security, the foundation on which they are built. He is precious in the excellence of his nature, the dignity of his office, and the glory of his services. All true believers are a holy priesthood; sacred to God, serviceable to others, endowed with heavenly gifts and graces. But the most spiritual sacrifices of the best in prayer and praise are not acceptable, except through Jesus Christ. Christ is the chief Corner-stone, that unites the whole number of believers into one everlasting temple, and bears the weight of the whole fabric. Elected, or chosen, for a foundation that is everlasting. Precious beyond compare, by all that can give worth. To be built on Christ means, to believe in him; but in this many deceive themselves, they consider not what it is, nor the necessity of it, to partake of the salvation he has wrought. Though the frame of the world were falling to pieces, that man who is built on this foundation may hear it without fear. He shall not be confounded. The believing soul makes haste to Christ, but it never finds cause to hasten from him. All true Christians are a chosen generation; they make one family, a people distinct from the world: of another spirit, principle, and practice; which they could never be, if they were not chosen in Christ to be such, and sanctified by his Spirit. Their first state is a state of gross darkness, but they are called out of darkness into a state of joy, pleasure, and prosperity; that they should show forth the praises of the Lord by their profession of his truth, and their good conduct. How vast their obligations to Him who has made them his people, and has shown mercy to them! To be without this mercy is a woful state, though a man have all worldly enjoyments. And there is nothing that so kindly works repentance, as right thoughts of the mercy and love of God. Let us not dare to abuse and affront the free grace of God, if we mean to be saved by it; but let all who would be found among those who obtain mercy, walk as his people.
Matthew Henry's Commentary on Romans 12:1
Commentary on Romans 12:1-2
(Read Romans 12:1-2)
The apostle having closed the part of his epistle wherein he argues and proves various doctrines which are practically applied, here urges important duties from gospel principles. He entreated the Romans, as his brethren in Christ, by the mercies of God, to present their bodies as a living sacrifice to Him. This is a powerful appeal. We receive from the Lord every day the fruits of his mercy. Let us render ourselves; all we are, all we have, all we can do: and after all, what return is it for such very rich receivings? It is acceptable to God: a reasonable service, which we are able and ready to give a reason for, and which we understand. Conversion and sanctification are the renewing of the mind; a change, not of the substance, but of the qualities of the soul. The progress of sanctification, dying to sin more and more, and living to righteousness more and more, is the carrying on this renewing work, till it is perfected in glory. The great enemy to this renewal is, conformity to this world. Take heed of forming plans for happiness, as though it lay in the things of this world, which soon pass away. Do not fall in with the customs of those who walk in the lusts of the flesh, and mind earthly things. The work of the Holy Ghost first begins in the understanding, and is carried on to the will, affections, and conversation, till there is a change of the whole man into the likeness of God, in knowledge, righteousness, and true holiness. Thus, to be godly, is to give up ourselves to God.