1. unexpected - Noun
2. unexpected - Adjective
Not expected; coming without warning; sudden.
Source: Webster's dictionaryOld age is the most unexpected of all things that happen to a man. Leon Trotsky
If an unexpected temptation comes, don't blame the one through whom it came, but seek out the reason. Thus you will find correction for your soul. Maximus the Confessor
Markets are constantly in a state of uncertainty and flux and money is made by discounting the obvious and betting on the unexpected. George Soros
If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience. George Bernard Shaw
Watch out for the unexpected mushroom. Sicilian Proverb
The unexpected always happens. German Proverb