Ezra 4:22

Be certain to do this with all care: do not let trouble be increased to the king's damage.

Ezra 4:13

The king may be certain that when the building of this town and its walls is complete, they will give no tax or payment in goods or forced payments, and in the end it will be a cause of loss to the kings.

Esther 3:8-9

And Haman said to King Ahasuerus, There is a certain nation living here and there in small groups among the people in all the divisions of your kingdom; their laws are different from those of any other nation, and they do not keep the king's laws: for this reason it is not right for the king to let them be.

Esther 7:3-4

Then Esther the queen, answering, said, If I have your approval, O king, and if it is the king's pleasure, let my life be given to me in answer to my prayer, and my people at my request:

Treasury of Scripture Knowledge

Summary

Take heed now that ye fail not to do this: why should damage grow to the hurt of the kings?

General references

Bible References

Why should

Ezra 4:13
The king may be certain that when the building of this town and its walls is complete, they will give no tax or payment in goods or forced payments, and in the end it will be a cause of loss to the kings.
Esther 3:8
And Haman said to King Ahasuerus, There is a certain nation living here and there in small groups among the people in all the divisions of your kingdom; their laws are different from those of any other nation, and they do not keep the king's laws: for this reason it is not right for the king to let them be.
Esther 7:3
Then Esther the queen, answering, said, If I have your approval, O king, and if it is the king's pleasure, let my life be given to me in answer to my prayer, and my people at my request:

General references

Luke 20:22
Is it right for us to make payment of taxes to Caesar or not?

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain