Thus St. Paul immediately follows up his initial statement of the revelation of a divine righteousness with the assertion of another 'revelation' made plain to the consciences of men. 'The wrath of God is being revealed from heaven against all ungodliness and unrighteousness of men,' and he proceeds to demonstrate the prevalence of sin first of all in the heathen world and to lay bare its meaning. {66} DIVISION I. § I. (CHAPTER I. 18-32). _Judgement on the Gentile world._ Before we read this passage certain points should be plain to our minds. 1. By sin St. Paul means essentially wilfulness--wilful disobedience. There is such a thing as an inheritance of moral weakness or perversity which passes to men without their fault and without their knowledge. This, the real existence of which hardly any one can deny, is what is called original sin; and later on we shall find St. Paul speaking of it. But it is not what is most properly called sin. God is absolutely equitable. 'Sin is not reckoned' as sin in His sight, apart from knowledge and will. Sin, most properly speaking, begins and ends where wilful disobedience begins and ends. St. Paul on this matter is completely at one with St. John {67} when he makes sin and lawlessness identical as realities in the world. 'Sin is lawlessness[1].' And we cannot even make a beginning of advance along St. Paul's line of thought till we recognize the real existence of sin as something different in kind from ignorance or weakness or lack of development, and as an incomparably greater evil than those. Sin is the created will setting itself against the divine will. It is, as a state or an act, the refusal of God. And the recognition of the awful existence of this refusal of God is the main clue to understanding the miseries of the present world.