Following are a number of back-translations as well as a sample translation for translators of Job 4:8:

• Kupsabiny: “What I know is this that people who plant evil,
  they will harvest that evil.” (Source: Kupsabiny Back Translation)
• Newari: “I have seen [it], the ones who plow iniquity
  and sow calamity will [also] reap it [lit.: will reap that very same [thing]].” (Source: Newari Back Translation)
• Hiligaynon: “As what I have-observed, the (one-who) does wicked and makes-trouble, his end/destination is also wickedness and trouble.” (Source: Hiligaynon Back Translation)
• English: “What I have experienced is this: Just as farmers who plant bad seeds do not harvest good crops,
  just as those who start trouble for others, later bring trouble on themselves.” (Source: Translation for Translators)