Bible Verses About Righteousness: Slay those who follow

The wicked keeps his eye on the righteous, seeking a chance to kill him.

And so, on you will fall the guilt for all the innocent blood that has ever been shed on earth, from the blood of innocent Hevel to the blood of Z'kharyah Ben-Berekhyah, whom you murdered between the Temple and the altar.

and not be like Kayin, who was from the Evil One and murdered his own brother. Why did he murder him? Because his own actions were evil, and his brother’s were righteous.