Romans 14:17

For the Kingdom of God does not consist of eating and drinking, but of right conduct, peace and joy, through the Holy Spirit;

2 Corinthians 1:12

For the reason for our boasting is this--the testimony of our own conscience that it was in holiness and with pure motives before God, and in reliance not on worldly wisdom but on the gracious help of God, that we have conducted ourselves in the world, and above all in our relations with you.

Philippians 4:6-9

Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.

Hebrews 6:11

But we long for each of you to continue to manifest the same earnestness, with a view to your enjoying fulness of hope to the very End;

James 3:17-18

The wisdom from above is first of all pure, then peaceful, courteous, not self-willed, full of compassion and kind actions, free from favouritism and from all insincerity.

2 Peter 1:10-11

For this reason, brethren, be all the more in earnest to make sure that God has called you and chosen you; for it is certain that so long as you practise these things, you will never stumble.

1 John 3:18-24

Dear children, let us not love in words only nor with the lips, but in deed and in truth.

1 John 4:17

Our love will be manifested in all its perfection by our having complete confidence on the day of the Judgement; because just what He is, we also are in the 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 does not consist of eating and drinking, but of right conduct, peace and joy, through the Holy Spirit;
Philippians 4:6
Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.
James 3:17
The wisdom from above is first of all pure, then peaceful, courteous, not self-willed, full of compassion and kind actions, free from favouritism and from all insincerity.

Quietness

2 Corinthians 1:12
For the reason for our boasting is this--the testimony of our own conscience that it was in holiness and with pure motives before God, and in reliance not on worldly wisdom but on the gracious help of God, that we have conducted ourselves in the world, and above all in our relations with you.
Hebrews 6:11
But we long for each of you to continue to manifest the same earnestness, with a view to your enjoying fulness of hope to the very End;
2 Peter 1:10
For this reason, brethren, be all the more in earnest to make sure that God has called you and chosen you; for it is certain that so long as you practise these things, you will never stumble.
1 John 3:18
Dear children, let us not love in words only nor with the lips, but in deed and in truth.
1 John 4:17
Our love will be manifested in all its perfection by our having complete confidence on the day of the Judgement; because just what He is, we also are in the world.