Romans 14:17

for the Kingdom of God is not food and drink, but righteousness and peace and joy in the Holy Spirit.

2 Corinthians 1:12

For our glorying is this, the testimony of our conscience, that in holiness and sincerity of God, not in fleshly wisdom, but in the grace of God, we behaved ourselves in the world, and more abundantly toward you.

Philippians 4:6-9

Be anxious for nothing; but, in everything by prayer and supplication with thanksgiving, let your requests be made known to God:

Hebrews 6:11

And we desire that each of you show forth the same diligence to the full assurance of the hope to the end;

James 3:17-18

But the wisdom from above is first pure, then peaceable, mild, compliant, full of mercy and good fruits, without partiality, without hypocrisy.

2 Peter 1:10-11

Wherefore, brethren, give the more diligence to make your calling and election sure; for, if ye do these things, ye shall in nowise ever stumble;

1 John 3:18-24

Little children, let us not love in word, neither with the tongue, but in deed and in truth.

1 John 4:17

In this has love been made perfect with us, that we may have confidence in the day of judgment; because as He is, even so are we in this world.

Treasury of Scripture Knowledge

Summary

And the work of righteousness shall be peace; and the effect of righteousness quietness and assurance for ever.

Bible References

The work

Romans 14:17
for the Kingdom of God is not food and drink, but righteousness and peace and joy in the Holy Spirit.
Philippians 4:6
Be anxious for nothing; but, in everything by prayer and supplication with thanksgiving, let your requests be made known to God:
James 3:17
But the wisdom from above is first pure, then peaceable, mild, compliant, full of mercy and good fruits, without partiality, without hypocrisy.

Quietness

2 Corinthians 1:12
For our glorying is this, the testimony of our conscience, that in holiness and sincerity of God, not in fleshly wisdom, but in the grace of God, we behaved ourselves in the world, and more abundantly toward you.
Hebrews 6:11
And we desire that each of you show forth the same diligence to the full assurance of the hope to the end;
2 Peter 1:10
Wherefore, brethren, give the more diligence to make your calling and election sure; for, if ye do these things, ye shall in nowise ever stumble;
1 John 3:18
Little children, let us not love in word, neither with the tongue, but in deed and in truth.
1 John 4:17
In this has love been made perfect with us, that we may have confidence in the day of judgment; because as He is, even so are we in this world.