The king is as much bound by ...

The king is as much bound by his oath not to infringe the legal rights of the people, as the people are bound to yield subjection to him. From whence it follows that as soon as the prince sets himself above the law, he loses the king in the tyrant. He does, to all intents and purposes, un-king himself.
 Jonathan Mayhew

Quotes from the same author

They are more properly ‘The Messengers of Satan to buffet us.’ No rulers are properly God’s ministers, but such as are ‘just, ruling in the fear of God.’ When once magistrates act contrary to their office, and the end of their institution when they rob and ruin the public, instead of being guardians of its peace … they immediately cease to be the ordinance and ministers of God, and no more deserve that glorious character than common pirates and highwaymen.
 Jonathan Mayhew
It is our happiness to live under the government of a PRINCE who is satisfied with ruling according to law; as every other good prince will - We enjoy under his administration all the liberty that is proper and expedient for us
 Jonathan Mayhew