Romans 4:15

(What the Law produces is the Wrath, not the promise of God; where there is no law, there is no transgression either.)

John 8:21

Then he said to them again, "I go away, and you will search for me, but you will die in your sin; where I go, you cannot come."

John 8:24

So I told you, you would die in your sins; for unless you believe who I am, you will die in your sins."

Romans 3:19-20

Whatever the Law says, we know, it says to those who are inside the Law, that every mouth may be shut and all the world made answerable to God;

Romans 5:12-13

Thus, then, sin came into the world by one man, and death came in by sin; and so death spread to all men, inasmuch as all men sinned.

Romans 5:15

but the gift is very different from the trespass. For while the rest of men died by the trespass of one man, the grace of God and the free gift which comes by the grace of the one man Jesus Christ overflowed far more richly upon the rest of men.

Romans 5:17

For if the trespass of one man allowed death to reign through that one man, much more shall those who receive the overflowing grace and free gift of righteousness reign in life through One, through Jesus Christ.

Romans 5:20

Law slipped in to aggravate the trespass; sin increased, but grace surpassed it far,

Romans 6:23

Sin's wage is death, but God's gift is life eternal in Christ Jesus our Lord.

Romans 7:5-13

For when we were unspiritual, the sinful cravings excited by the Law were active in our members and made us fruitful to Death;

Galatians 3:10-13

Whereas a curse rests on all who rely upon obedience to the Law; for it is written, Cursed is everyone who does not hold by all that is written in the book of the law, to perform it.

Hebrews 9:27

And just as it is appointed for men to die once and after that to be judged,

Treasury of Scripture Knowledge

Summary

The sting of death is sin; and the strength of sin is the law.

Bible References

Sting

John 8:21
Then he said to them again, "I go away, and you will search for me, but you will die in your sin; where I go, you cannot come."
Romans 5:15
but the gift is very different from the trespass. For while the rest of men died by the trespass of one man, the grace of God and the free gift which comes by the grace of the one man Jesus Christ overflowed far more richly upon the rest of men.
Romans 6:23
Sin's wage is death, but God's gift is life eternal in Christ Jesus our Lord.
Hebrews 9:27
And just as it is appointed for men to die once and after that to be judged,

The strength

Romans 3:19
Whatever the Law says, we know, it says to those who are inside the Law, that every mouth may be shut and all the world made answerable to God;
Romans 4:15
(What the Law produces is the Wrath, not the promise of God; where there is no law, there is no transgression either.)
Romans 5:13
Sin was indeed in the world before the Law, but sin is never counted in the absence of law.
Romans 7:5
For when we were unspiritual, the sinful cravings excited by the Law were active in our members and made us fruitful to Death;
Galatians 3:10
Whereas a curse rests on all who rely upon obedience to the Law; for it is written, Cursed is everyone who does not hold by all that is written in the book of the law, to perform it.