Full Idea
Empiricist critiques of rationalism often accuse rationalists of confusing the limits of their imaginations with real insight into what is necessarily true.
Gist of Idea
Empiricists say rationalists mistake imaginative powers for modal insights
Source
Edwin D. Mares (A Priori [2011], 03.01)
Book Reference
Mares,Edwin: 'A Priori' [Acumen 2011], p.34
A Reaction
See ideas on 'Conceivable as possible' for more on this. You shouldn't just claim to 'see' that something is true, but be willing to offer some sort of reason, truthmaker or grounding. Without that, you may be right, but you are on weak ground.