Bad luck (n.) is described by the so-called 50-50-90 rule: Anytime you have a 50-50 chance of getting something right, there's a 90% probability you'll get it wrong.
Bad luck (n.) is always a deluge — Fortune is not content to do a man one ill turn.
Bad luck (n.) is as necessary as good luck in developing one's capabilities.
Bad luck (n.) is needed from time to time — If every day was a sunny day, who would not wish for rain?
Fate (n.) and freedom are twin delusions: once "you should, because you must," then "you can, because you want to" — neither knew anything of good and evil.
Fate (n.) is not set against man: every man is a piece of fate, his resistance and his resignation both enclosed within it — you yourself, poor fearful man, are the moira above the gods.
Fate (n.) has its lord; limitation its limits; is different seen from above and from below; from within and from without.
The Garment of destiny (n.) is the idea that we are caught in an inescapable network of mutuality and whatever affects one directly, affects us all indirectly.
Inevitability (n.) is hindsight wearing a uniform.
Inevitability (n.) is the word you reach for when you want the argument to clock out.
Inevitability (n.) is not to be feared — It is foolish to fear what you cannot avoid.
Inevitability (n.) is unavoidable — Though you drive away nature with a pitchfork, she always returns.