From Section III of Jonathan Edwards’ “The End of the Wicked Contemplated by the Righteous” (Works of Jonathan Edwards, Vol. 2., Banner of Truth Trust, 1995 reprint):
We ought now to seek and be concerned for the salvation of wicked men, because now they are capable subjects of it. Wicked men, though they may be very wicked, yet are capable subjects of mercy [CCS, emphasis]. It is yet a day of grace with them, and they have the offers of salvation. Christ is as yet seeking their salvation; he is calling upon them, inviting and wooing them; he stands at the door and knocks. He is using many means with them, is calling them, saying, Turn ye, turn ye, why will ye die? The day of his patience is yet continued to them; and if Christ is seeking their salvation, surely we ought to seek it.
God is wont now to make men the means of one another’s salvation; yea, it is his ordinary way so to do. He makes the concern and endeavours of his people the means of bringing home many to Christ. Therefore they ought to be concerned for and endeavour it. But it will not be so in another world: there wicked men will be no longer capable subjects of mercy [CCS, emphasis]. The saints will know, that it is the will of God the wicked should he miserable to all eternity. It will therefore cease to be their duty any more to seek their salvation, or to be concerned about their misery. On the other hand, it will be their duty to rejoice in the will and glory of God. It is not our duty to be sorry that God hath executed just vengeance on the devils, concerning whom the will of God in their eternal state is already known to us.