Full Idea
Objects in themselves are not known to us at all.
Gist of Idea
Objects in themselves are not known to us at all
Source
Immanuel Kant (Critique of Pure Reason [1781], B045/A30)
Book Reference
Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.162
A Reaction
It is the phrase "at all" which is interesting. It suggests that Kant is in no way a representative realist, though it is hard to place him within the labels of phenomenalism/idealism/anti-realism.