sentence1: Since The Bell Curve was published, it has become clear that almost everything about it was inexcusably  suspect data, mistakes in statistical procedures that would have flunked a sophomore (Murray--Herrnstein is deceased--clearly does not understand what a correlation coefficient means), deliberate suppression of contrary evidence, you name it and true is true and true is true and true is true and true is true and true is true .
sentence2: The Bell Curve authors made up some of their conclusions to bolster their hypothesis.