Grace is what we were given and never earned. That is precisely why salvation leaves no one anything to boast about.
8 verses · KJV
For by grace are ye saved through faith; and that not of yourselves: it is the gift of God:
Not of works, lest any man should boast.
And he said unto me, My grace is sufficient for thee: for my strength is made perfect in weakness. Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me.
For the grace of God that bringeth salvation hath appeared to all men,
Moreover the law entered, that the offence might abound. But where sin abounded, grace did much more abound:
Let us therefore come boldly unto the throne of grace, that we may obtain mercy, and find grace to help in time of need.
And of his fulness have all we received, and grace for grace.
And God is able to make all grace abound toward you; that ye, always having all sufficiency in all things, may abound to every good work: