Full Idea
We are already in possession of synthetic a priori cognition, as is established by the principles of understanding, which anticipate experience.
Gist of Idea
We possess synthetic a priori knowledge in our principles which anticipate experience
Source
Immanuel Kant (Critique of Pure Reason [1781], B790/A762)
Book Reference
Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.655
A Reaction
When put like this, I remain unconvinced that the mental states to which Kant refers should actually qualify as cognition/knowledge. If we have to look through rose-tinted spectacles, this doesn't make rose-colour a truth, or even a belief.