Jezekiel 33:18

18 When the righteous turns away from his righteousness, and shall commit iniquities, then shall he die in them.

Jezekiel 33:18 In-Context

16 None of his sins which he has committed shall be remembered: because he has wrought judgment and righteousness; by them shall he live.
17 Yet the children of thy people will say, The way of the Lord is not straight: whereas this their way is not straight.
18 When the righteous turns away from his righteousness, and shall commit iniquities, then shall he die in them.
19 And when the sinner turns from his iniquity, and shall do judgment and righteousness, he shall live by them.
20 And this is that which ye said, The way of the Lord is straight. I will judge you, O house of Israel, every one for his ways.

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