What do you think the best things said in videogames are?
I could just quote all of Alpha Centauri and ask the thread be closed, because that would settle the question, but I shall leave it open for discussion.
I can't not quote this though;
CEO Nwabudike MorganResources exist to be consumed. And consumed they will be, if not by this generation then by some future. By what right does this forgotten future seek to deny us our birthright? None I say! Let us take what is ours, chew and eat our fill.
"The Ethics of Greed"
Sid Meier's Alpha Centuari
I would submit the attached as a particularly excellent line.