and he has further qualified me to be the minister of a new covenant ??a covenant not of written law but of spirit; for the written law kills but the Spirit makes alive.

What gives life is the Spirit: flesh is of no avail at all. The words I have uttered to you are spirit and life.

Thus it is written, 'The first man, Adam, became an animate being, the last Adam a life-giving Spirit';

Where

the law of the Spirit brings the life which is in Christ Jesus, and that law has set me free from the law of sin and death.

It is because you are sons that God has sent forth the Spirit of his Son into your hearts crying 'Abba! Father!'

for God has not given us a timid spirit but a spirit of power and love and discipline.

General references

Then he opened their minds to understand the scriptures.

So, if the Son sets you free, you will be really free.