Romans 7:21

I find therefore the law of my nature to be that when I desire to do what is right, evil is lying in ambush for me.

Romans 7:23

but I discover within me a different Law at war with the Law of my understanding, and leading me captive to the Law which is everywhere at work in my body--the Law of sin.

Romans 8:2

for the Spirit's Law-- telling of Life in Christ Jesus--has set me free from the Law that deals only with sin and death.

Luke 4:1

Then Jesus, full of the Holy Spirit, returned from the Jordan, and was led about by the Spirit in the Desert for forty days,

John 8:34

"In most solemn truth I tell you," replied Jesus, "that every one who commits sin is the slave of sin.

Romans 6:12

Let not Sin therefore reign as king in your mortal bodies, causing you to be in subjection to their cravings;

Romans 6:14

For Sin shall not be lord over you, since you are subjects not of Law, but of grace.

Romans 7:25

Thanks be to God through Jesus Christ our Lord!)

Ephesians 6:11-13

Put on the complete armour of God, so as to be able to stand firm against all the stratagems of the Devil.

Hebrews 2:17

And for this purpose it was necessary that in all respects He should be made to resemble His brothers, so that He might become a compassionate and faithful High Priest in things relating to God, in order to atone for the sins of the people.

Hebrews 4:15

For we have not a High Priest who is unable to feel for us in our weaknesses, but one who was tempted in every respect just as we are tempted, and yet did not sin.

2 Peter 2:19

And they promise them freedom, although they are themselves the slaves of what is corrupt. For a man is the slave of any one by whom he has been worsted in fight.

Treasury of Scripture Knowledge

Summary

I find then a law, that, when I would do good, evil is present with me.

Bible References

A law

Romans 7:23
but I discover within me a different Law at war with the Law of my understanding, and leading me captive to the Law which is everywhere at work in my body--the Law of sin.
Romans 6:12
Let not Sin therefore reign as king in your mortal bodies, causing you to be in subjection to their cravings;
Romans 8:2
for the Spirit's Law-- telling of Life in Christ Jesus--has set me free from the Law that deals only with sin and death.
John 8:34
"In most solemn truth I tell you," replied Jesus, "that every one who commits sin is the slave of sin.
Ephesians 6:11
Put on the complete armour of God, so as to be able to stand firm against all the stratagems of the Devil.
2 Peter 2:19
And they promise them freedom, although they are themselves the slaves of what is corrupt. For a man is the slave of any one by whom he has been worsted in fight.

Evil

Luke 4:1
Then Jesus, full of the Holy Spirit, returned from the Jordan, and was led about by the Spirit in the Desert for forty days,
Hebrews 2:17
And for this purpose it was necessary that in all respects He should be made to resemble His brothers, so that He might become a compassionate and faithful High Priest in things relating to God, in order to atone for the sins of the people.
Hebrews 4:15
For we have not a High Priest who is unable to feel for us in our weaknesses, but one who was tempted in every respect just as we are tempted, and yet did not sin.