Every theory is a self-fulfilling prophecy that orders experience into the framework it provides.
Whatever we expect with confidence becomes our own self-fulfilling prophecy.
My first job was as an assistant in the local library. Self-fulfilling prophecy?
Fear becomes a self-fulfilling prophecy. Thinking that there is something to be avoided manifests something to avoid.
Pessimism becomes a self-fulfilling prophecy; it reproduces itself by crippling our willingness to act.