>>535921994
You joke but the 343 explanation for that line is much, much dumber.
>spark said this because chief is actually the geas reincarnation of his best friend from when he was human
>said best friend was also alien jesus, creator of the halo, and a clone of the snake man chief fights in 4
>this is all because said snake man's wife rewrote the human genetic code so all of human history would lead to chief being born, his armor being invented, and cortana being created thus making chief a true chosen one