Full Idea
We know even ourselves only through inner sense, thus as appearance.
Gist of Idea
Self-knowledge can only be inner sensation, and thus appearance
Source
Immanuel Kant (Critique of Pure Reason [1781], B334/A278)
Book Reference
Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.376
A Reaction
I'm not sure what it means to say that 'inner sense' is merely 'appearance'. Surely appearance is reality, within a mind? To want to see the real 'me' behind the world of inner appearances is a very odd kind of dream.