It is widely accepted that exact prediction of what will happen to climate in 50 or 100 years is impossible. (realclimate.org)
There is no basis for exact prediction about individuals. (religion-online.org)
Chief Justice Lamer accepted «that the art of predicting recidivism and future dangerousness is, at the very least, a somewhat inexact process», but responded to this problem by asserting that «the bail system does not aim to make exact predictions about future dangerousness because such predictions are impossible to make». (slaw.ca)