'By Grace' in the Bible

Therefore it is of faith, that it might be by grace; to the end the promise might be sure to all the descendants; not to those only who are of the law, but to those also who are of the faith of Abraham; who is the father of us all,

So also is the free gift not like the offense. For if through the offense of one many are dead, much more the grace of God, and the gift by grace, which is by one man, Jesus Christ, has abounded unto many.

And if by grace, then is it no more of works: otherwise grace is no more grace. But if it be of works, then is it no more grace: otherwise work is no more work.

For if I by grace be a partaker, why am I evil spoken of for that for which I give thanks?

Even when we were dead in sins, has made us alive together with Christ, (by grace you are saved;)

For by grace are you saved through faith; and that not of yourselves: it is the gift of God: