2 Chronicles 12:8

They shall be his servants That is, they shall be much at his mercy, and put under contribution by him, and some of them taken prisoners, and held in captivity by him: that they may know my service, and the service of the kingdoms, &c. That they may experimentally know the difference between my yoke, and the yoke of a foreign and idolatrous prince. The more God's service is compared with other services, the more reasonable and easy it will appear. And, whatever difficulties or hardships we may imagine there are in the way of obedience, it is better, a thousand times, to go through them, than to expose ourselves to the punishment of disobedience. Are the laws of temperance thought hard? The effects of intemperance will be much harder. The service of virtue is perfect liberty, the service of vice perfect slavery.