… is from page 18 of George Will’s excellent 2019 book, The Conservative Sensibility (footnote deleted; link added):
The Founders’ philosophy began with accommodation of, not cures for, human defectiveness. Harvey C. Mansfield rightly says of the Founders, “It is true that they distrusted democracy, but not because they loved aristocracy. They distrusted democracy for the same reason they rejected aristocracy – because they distrusted human nature.”