Following are a number of back-translations of Romans 3:15:

• Uma: “‘They are always ready-to-fight, wanting to kill others.” (Source: Uma Back Translation)
• Yakan: “They easily hurt and kill.” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “And that’s not all, for they can easily murder.” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “It is easy for them to murder,” (Source: Kankanaey Back Translation)
• Tenango Otomi: “Only killing do they want.” (Source: Tenango Otomi Back Translation)
• Yatzachi Zapotec: “They kill people at slight provocation.” (Source: Waterhouse / Parrott in Notes on Translation October 1967, p. 1ff.)

For the Old Testament quote, see Isaiah 59:7.