I Maccabees 12:18

18 Wherefore now ye shall do well to give us an answer thereto.

I Maccabees 12:18 In-Context

16 For this cause we chose Numenius the son of Antiochus, and Antipater he son of Jason, and sent them unto the Romans, to renew the amity that we had with them, and the former league.
17 We commanded them also to go unto you, and to salute and to deliver you our letters concerning the renewing of our brotherhood.
18 Wherefore now ye shall do well to give us an answer thereto.
19 And this is the copy of the letters which Oniares sent.
20 Areus king of the Lacedemonians to Onias the high priest, greeting:

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