KJV:
First, I thank my God through Jesus Christ for you all, that your faith is spoken of throughout the whole world.
NASB:
First, I thank my God through Jesus Christ for you all, because your faith is being proclaimed throughout the whole world.
KJV:
That is, that I may be comforted together with you by the mutual faith both of you and me.
NASB:
that is, that I may be encouraged together with you while among you, each of us by the other's faith, both yours and mine.
KJV:
For therein is the righteousness of God revealed from faith to faith: as it is written, The just shall live by faith.
NASB:
For in it the righteousness of God is revealed from faith to faith; as it is written, "BUT THE RIGHTEOUS man SHALL LIVE BY FAITH."
KJV:
For what if some did not believe? shall their unbelief make the faith of God without effect?
NASB:
What then? If some did not believe, their unbelief will not nullify the faithfulness of God, will it?
KJV:
Even the righteousness of God which is by faith of Jesus Christ unto all and upon all them that believe: for there is no difference:
NASB:
even the righteousness of God through faith in Jesus Christ for all those who believe; for there is no distinction;
KJV:
Whom God hath set forth to be a propitiation through faith in his blood, to declare his righteousness for the remission of sins that are past, through the forbearance of God;
NASB:
whom God displayed publicly as a propitiation in His blood through faith. This was to demonstrate His righteousness, because in the forbearance of God He passed over the sins previously committed;