What is verbatim quote of Nietzsche that is ... "Look long into the abyss and the abyss looks back" ?
I can’t tell you verbatim because I don’t speak German, but most translations are along the lines of “And when you gaze long into an abyss the abyss also gazes into you.”
"How much time he saves who does not look to see what his neighbor says or does or thinks."
"Compared to what we ought to be, we are half awake"
"Men are born ignorant, not stupid. They are made stupid by education."
"Benefits should be conferred gradually; and in that way they will taste better"
"If you love everything, you will perceive the divine mystery in things."
"Everything is self-evident."
"I would rather be first in a little Iberian village than second in Rome."
"By all means let’s be open-minded, but not so open-minded that our brains drop out."
"Freedom is what you do with what’s been done to you."
"Love is a serious mental disease."
"If one oversteps the bounds of moderation, the greatest pleasures cease to please."