Above all, this letter is a marvellous vision of friendship and love that was put down on paper decades ago and that retains its emotional, spiritual and philosophical value to this day.
This letter was written by Nietzsche to his friend Franz Overbeck in 1881.
Genoa, November 14, 1881: Letter to Franz Overbeck
"My dear friend, what is this our life? A boat that swims in the sea, and all one knows for certain about it is that one day it will capsize. Here we are, two good old boats that have been faithful neighbors, and above all your hand has done its best to keep me from "capsizing"! Let us then continue our voyage—each for the other's sake, for a long time yet, a long time! We should miss each other so much! Tolerably calm seas and good winds and above all sun—what I wish for myself, I wish for you, too, and am sorry that my gratitude can find expression only in such a wish and has no influence at all on wind or weather. [....]"