Introductory it as Subject
The 'strike' group
These verbs indicate that an idea occurs to someone. The noun group always indicates a human being.
It struck her how self-centred she'd been, considering only her sorrow, not his.
There is one phrasal verb with this meaning, dawn on. Its pattern is it V P n wh.
hit strike dawn on
It dawned on them what happened in Nagasaki in 1945 and what it must have been like.
In addition, the phrase make a difference has this pattern.
As far as learning is concerned, it doesn't make any difference how old you are.