Dream unexpectable and work upon it unstoppable.
Do which is impossible.
Achieve unachievable.
Believe unbelievable.
Imagine unimaginable.
Break unbreakable.
Bear unbearable.
Cope uncopable.
Consider inconsiderable.
Control uncontrollable.
Desire undesirable.
Detect undetectable.
Success unsuccessable.
Predict unpredictable.
Develop undevelopable.
Determine undeterminable.
Forgive unforgivable.
Access unaccessable.
Accept unacceptable.
Expect...