Following are a number of back-translations as well as a sample translation for translators of Proverbs 16:2:

• Kupsabiny: “A person may think that what he is doing is of truth/right,
  but God is the one who knows the life/soul of a person.” (Source: Kupsabiny Back Translation)
• Newari: “People’s works all seem correct to them.
  But the Lord tests their intentions.” (Source: Newari Back Translation)
• Hiligaynon: “(It is) possible that we (incl.) think that all we (incl.) do is surely right, but only the LORD can-judge what is really our (incl.) motive.” (Source: Hiligaynon Back Translation)
• Kankanaey: “All that they are doing is as-if correct in the viewpoint of people, but it is God who knows their motives/purposes.” (Source: Kankanaey Back Translation)
• English: “People may think that their actions are right,
  but Yahweh really knows why people do what they do.” (Source: Translation for Translators)