The fact is I was born to be an example of misfortune, and the target and mark at which the arrows of adversity are aimed and directed.
"If it goes by good name and fame," said the bachelor, "your worship alone bears away the palm from all the knights-errant; for the Moor in his own language, and the Christian in his, have taken care to set before us your gallantry, your high courage in encountering dangers, your fortitude in adversity, your patience under misfortunes as well as wounds, the purity and continence of the platonic loves of your worship and my lady Dona Dulcinea del Toboso-"
"Senor," said Sancho on hearing this, "it is the part of brave hearts to be patient in adversity just as much as to be glad in prosperity; I judge by myself, for, if when I was a governor I was glad, now that I am a squire and on foot I am not sad; and I have heard say that she whom commonly they call Fortune is a drunken whimsical jade, and, what is more, blind, and therefore neither sees what she does, nor knows whom she casts down or whom she sets up."
"Fortune always leaves a door open in adversity in order to bring relief to it," said Don Quixote; "I say so because this little beast may now supply the want of Rocinante, carrying me hence to some castle where I may be cured of my wounds.
Sancho followed him on foot, leading by the halter, as his custom was, his ass, his constant comrade in prosperity or adversity; and advancing some distance through the shady chestnut trees they came upon a little meadow at the foot of some high rocks, down which a mighty rush of water flung itself.
There are no more uses of "adversity" in the book.