Final answer:
Acts 17:31 states that Jesus Christ will judge the world with justice on a designated day.
Step-by-step explanation:
Acts 17:31 states that God has appointed a day when He will judge the world with justice through Jesus Christ. The verse emphasizes that Jesus is the appointed judge and that His judgment will be fair and impartial. This passage highlights the belief in a final judgment and the accountability of all individuals before God.