If they deceive you, verily they had deceived Lord Allah before; so, I seized them for you, and Allah is the Knower, the Wise.
After advising the believers that you shouldn't give importance for gathering booty and catching the captives for ransom, it is commanded to Messenger to say the captives that if they learn a lesson from this and stop the enmity towards the believers, they will get something better than what is taken away from them and will consider the ransom for forgiving their offenses. Today, since Adhikr is formed as the Splendid Book as mentioned in verses 41: 41-43, whoever testifies It and follows It, It will argue and witness in favor of them and whoever hides and rejects It, It will argue and witness against them and will push them into the severe torment. See explanation2: 159-161, 186 and 4: 145-146.