Which line in this excerpt from shakespeare's hamlet contains an element of foreshadowing?

horatio: as thou art to thyself.
> > > > such was the very armour he had on
when he the ambitious norway combated.
so frowned he once when, in an angry parle,
> > > > he smote the sledded polacks on the ice.
'tis strange.

marcellus: thus twice before, and jump at this dead hour,
> > > > with martial stalk hath he gone by our watch.

horatio: in what particular thought to work i know not,
but in the gross and scope of mine opinion
> > > > this bodes some strange eruption to our state.
(william shakespeare, hamlet, act i, scene i)

***the lines with the ( > > > > ) beside it are the lines it is asking about.***