What does the Bible say about government?

Romans 13:1-7
1 Everyone must submit to governing authorities. For all authority comes from God, and those in positions of authority have been placed there by God.
2 So anyone who rebels against authority is rebelling against what God has instituted, and they will be punished.
3 For the authorities do not strike fear in people who are doing right, but in those who are doing wrong. Would you like to live without fear of the authorities? Do what is right, and they will honor you.
4 The authorities are God’s servants, sent for your good. But if you are doing wrong, of course you should be afraid, for they have the power to punish you. They are God’s servants, sent for the very purpose of punishing those who do what is wrong.
5 So you must submit to them, not only to avoid punishment, but also to keep a clear conscience.
6 Pay your taxes, too, for these same reasons. For government workers need to be paid. They are serving God in what they do.
7 Give to everyone what you owe them: Pay your taxes and government fees to those who collect them, and give respect and honor to those who are in authority.

1 Peter 2:13-17 
Be subject for the Lord's sake to every human institution, whether it be to the emperor as supreme, or to governors as sent by him to punish those who do evil and to praise those who do good. For this is the will of God, that by doing good you should put to silence the ignorance of foolish people. Live as people who are free, not using your freedom as a cover-up for evil, but living as servants of God. Honor everyone. Love the brotherhood. Fear God. Honor the emperor.

1 Timothy 2:1-2 
First of all, then, I urge that supplications, prayers, intercessions, and thanksgivings be made for all people, for kings and all who are in high positions, that we may lead a peaceful and quiet life, godly and dignified in every way.