A. Einstein: "We can't solve problems by using the same kind of thinking we used when we created them."
M. Planck: "real is only that, which is measurable".
Here we are:
Braun K. "A quantum gravity and ground state energy Hilbert space model"
Braun K., "An alternative quantization of H=xp"
Braun K., "Some remarkable Pseudo-Differential Operators oforder -1, 0, 1"