If knowledge is, as one common philosophical notion goes, 'true, justified belief', then Newton clearly 'knew' nothing about 2060 as he fell severely short of j

If knowledge is, as one common philosophical notion goes, 'true, justified belief', then Newton clearly 'knew' nothing about 2060 as he fell severely short of justification. It's a shame we can't be equally confident about the prediction also failing the 'truth' aspect. Depending on what exactly one might mean by 'world', it's uncertain to an uncomfortable degree that our world won't end by 2060.