Obviously, some believe in luck, some believe in a higher power, God or a deity, but my point is, if everyone only thought strictly about math and probabilities, no one would never gamble. You cannot deny that sometimes in life you get 'surprises.'
After all, the odds are a totally mathematical number, while randomness or luck is an unseen element. It is random and it happens. The odds do not affect the outcome of the bet; they only serve to predict the probability of success.