A self-fulfilling prophecy is an assumption or prediction that, purely as a result of having been made, cause the expected or predicted event to occur and thus confirms its own 'accuracy.'

Pessimism becomes a self-fulfilling prophecy; it reproduces itself by crippling our willingness to act.

It's a self-fulfilling prophecy. We told them that these things would happen. It's frustrating.

Sectarianism has become a self-fulfilling prophecy,

By making price predictions, it can become a self-fulfilling prophecy. I don't want to be a part of the problem.

I said, and maybe it was a self-fulfilling prophecy, but I made the statement before our season began, that I believed and was confident we were a better team, but we might not have as good a record. Maybe I shouldn't have said that.