Translation of the verse 21 from Surah al-‘Imran : Number of verses 200 - - page 52 - Part 3.
Verily! Those who disbelieve in the Ayat (proofs, evidences, verses, lessons, signs, revelations, etc.) of Allah and kill the Prophets without right, and kill those men who order just dealings, announce to them a painful torment.
Those who disbelieve in the signs of Allah and kill the prophets without right and kill those who order justice from among the people - give them tidings of a painful punishment.
(3:21) Give those who refuse to follow the directives of Allah, who slay the Prophets unjustly, and who slay those who enjoin justice, give them glad tidings of a grievous chastisement. *19
*19). This is a sarcastic remark. Its purpose is to bring home to them that the misdeeds about which they are so jubilant, and which they regard as their proud achievements, will ultimately lead them to a painful end.