“Computer games don’t affect kids; I mean if Pac-Man affected us as kids, we’d all be running around in darkened rooms, munching magic pills and listening to repetitive electronic music.” – Kristian Wilson, Nintendo VP, 1989

Found by Giorgio.

UPDATE: it seems that the quote is a fake :-((
via kottke.
Apparently Marcus made it up and it spread via email and now, glups, also via blogs. The quote has also been atributed to Bill Gates.