I Maccabees 2:27

27 And Mattathias cried throughout the city with a loud voice, saying, Whosoever is zealous of the law, and maintaineth the covenant, let him follow me.

I Maccabees 2:27 In-Context

25 Also the king's commissioner, who compelled men to sacrifice, he killed at that time, and the altar he pulled down.
26 Thus dealt he zealously for the law of God like as Phinees did unto Zambri the son of Salom.
27 And Mattathias cried throughout the city with a loud voice, saying, Whosoever is zealous of the law, and maintaineth the covenant, let him follow me.
28 So he and his sons fled into the mountains, and left all that ever they had in the city.
29 Then many that sought after justice and judgment went down into the wilderness, to dwell there:

The Brenton translation of the Septuagint is in the public domain.