Following are a number of back-translations as well as a sample translation for translators of Proverbs 20:24:

• Kupsabiny: “A person may not know the path he is taking
  but God is the one who guides (him).” (Source: Kupsabiny Back Translation)
• Newari: “People’s ways have been decided by the Lord,
  How will a person understand his own way?” (Source: Newari Back Translation)
• Hiligaynon: “The LORD is the one who wills our (incl.) life, therefore we (incl.) do- not -know what is our (incl.) future.” (Source: Hiligaynon Back Translation)
• Kankanaey: “You (sing.) do not know what will happen in-the-future, because God is the one who determined that.” (Source: Kankanaey Back Translation)
• English: “Yahweh is the one who has decided what will happen to us,
  so how can we <understand/know> what will happen before it happens?/we humans certainly cannot <understand/know> what will happen before it happens.” (Source: Translation for Translators)