Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which are there.
-- Richard Feynman
(I don't think he originally meant this in the context of overcoming cognitive bias, but it seems to apply well to that too.)
As do I. It's a pity we're up against TrikeApps for the "cool Melbourne-based employer of LW members" position...