"Incline your ear, and come unto me: hear, and your soul shall live; and I will make an everlasting covenant with you, even the sure mercies of David." (Isaiah 55: 3)
The grace of God is a sure thing.
Whenever we read "David" in the Old Testament, let us not forgot the original meaning, and thus full sense of the term, is "Beloved" or "Beloved One".
Todyay, because of Jesus, we are accepted in the Beloved (Ephesians 1: 6), which speaks of Jesus.
This everlasting covenant is the new covenant:
"31Behold, the days come, saith the LORD, that I will make a new covenant with the house of Israel, and with the house of Judah: 32Not according to the covenant that I made with their fathers in the day that I took them by the hand to bring them out of the land of Egypt; which my covenant they brake, although I was an husband unto them, saith the LORD: 33But this shall be the covenant that I will make with the house of Israel; After those days, saith the LORD, I will put my law in their inward parts, and write it in their hearts; and will be their God, and they shall be my people. 34And they shall teach no more every man his neighbour, and every man his brother, saying, Know the LORD: for they shall all know me, from the least of them unto the greatest of them, saith the LORD: for I will forgive their iniquity, and I will remember their sin no more." (Jeremiah 31: 31-34)
We can trust in the grace of God, for in the Beginning, God created everything, then recreated it all before man came on the scene:
"26And God said, Let us make man in our image, after our likeness: and let them have dominion over the fish of the sea, and over the fowl of the air, and over the cattle, and over all the earth, and over every creeping thing that creepeth upon the earth. 27So God created man in his own image, in the image of God created he him; male and female created he them. 28And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth. " (Genesis 1: 26-28)
God made man last, so that he would not be harmed during the Creation process, so that he could enjoy everything, and so that man would not take credit for anything.
That is a perfect picture of God's grace, a sure thing for us, since man could only receive and enjoy all things:
"Thou madest him to have dominion over the works of thy hands; thou hast put all things under his feet:" (Psalm 8: 6)
"You, Lord, are forgiving and good, abounding in love to all who call to you." (Psalm 86: 5)
"The heaven, even the heavens, are the LORD'S: but the earth hath he given to the children of men." (Psalm 115: 16)
"The LORD is gracious, and full of compassion; slow to anger, and of great mercy." (Psalm 145: 8)
We find Paul presenting to us the fullness of Jesus and all that He is in the epistles, too:
"31What shall we then say to these things? If God be for us, who can be against us? 32He that spared not his own Son, but delivered him up for us all, how shall he not with him also freely give us all things? 33Who shall lay any thing to the charge of God's elect? It is God that justifieth. 34Who is he that condemneth? It is Christ that died, yea rather, that is risen again, who is even at the right hand of God, who also maketh intercession for us." (Romans 8: 31-34)
Today, let us rest in this truth: the grace of God is a sure thing, made sure for us through Christ Jesus!