Full Idea
In regard to the essential ends of human nature even the highest philosophy cannot advance further than the guidance that nature has also conferred on the most common understanding.
Gist of Idea
In ordinary life the highest philosophy is no better than common understanding
Source
Immanuel Kant (Critique of Pure Reason [1781], B859/A831)
Book Reference
Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.690
A Reaction
This is a very anti-elitist remark which seems to me to reflect Kant's Christian background. It seems obvious to me that in politics our best leaders are not confined to 'common understanding'. Nor in morality. Moral saints are wiser.