It has been noted that: “The best way to predict the future is to invent it.” We take this further, as the Open Future Principle: “The best way to implement the future is to avoid having to predict it.” Consequently, nothing whatsoever in the system or its implementation is early-bound.
~
PIUMARTA, Ian, 2006. Accessible language-based environments of recursive theories. Viewpoints Research Institute. pdf 
, p. 3N1.
=> User-Defined Primitive Mechanism