" ... wenn du lange in einen Abgrund blickst, blickt der Abgrund auch in dich hinein." [0]

"... when you gaze long into an abyss, the abyss also gazes into you." [1]

Nietzsche was a quotable fellow. [2]

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[0] "Wikiquote - Nietzsche - Beyond_Good_and_Evil - Aphorism 146" http://en.wikiquote.org/wiki/Beyond_Good_and_Evil#Aphorism_1...

[1] "When you stare into .. " http://www.quotationspage.com/quote/39793.html

[2] "Nietzsche quotes" http://www.quotationspage.com/quotes/Friedrich_Nietzsche