§ 02 · King James Bible
Acts 17:31
Because he hath appointed a day, in the which he will judge the world in righteousness by that man whom he hath ordained; whereof he hath given assurance unto all men, in that he hath raised him from the dead.
Simple English
Because he has chosen a specific day for judging the world fairly, through the person he selected. He has proven this to everyone by bringing him back to life after he died.
* Work in progress - there may be occasional inaccuracies