Sirach 17:14

14 And he said unto them, Beware of all unrighteousness; and he gave every man commandment concerning his neighbour.

Sirach 17:14 In-Context

12 He made an everlasting covenant with them, and shewed them his judgments.
13 Their eyes saw the majesty of his glory, and their ears heard his glorious voice.
14 And he said unto them, Beware of all unrighteousness; and he gave every man commandment concerning his neighbour.
15 Their ways are ever before him, and shall not be hid from his eyes.
16 Every man from his youth is given to evil; neither could they make to themselves fleshy hearts for stony.

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