Romans 5:1

Therefore being justified by faith, we have peace with God through our Lord Jesus Christ:

Romans 14:17

but in righteousness and peace, and joy in the holy Ghost: for he,

Romans 15:13

Now the God of hope fill you with all joy and peace in believing, that ye may abound in hope through the power of the holy Spirit.

Ephesians 6:1-3

Children, obey your parents in the Lord, for this is right.

1 Timothy 4:8

For bodily exercise profiteth little, but piety is profitable unto all things, having the promise of the life that now is, and of that which is to come:

Treasury of Scripture Knowledge

Summary

For length of days, and long life, and peace, shall they add to thee.

Bible References

Length

Ephesians 6:1
Children, obey your parents in the Lord, for this is right.
1 Timothy 4:8
For bodily exercise profiteth little, but piety is profitable unto all things, having the promise of the life that now is, and of that which is to come:

And peace

Romans 5:1
Therefore being justified by faith, we have peace with God through our Lord Jesus Christ:
Romans 14:17
but in righteousness and peace, and joy in the holy Ghost: for he,
Romans 15:13
Now the God of hope fill you with all joy and peace in believing, that ye may abound in hope through the power of the holy Spirit.