h2g2 The Hitchhiker's Guide to the Galaxy: Earth Edition

I like this. It lets me be almost certain that the chair I am sitting on is actually there, without being able to prove that my butt is not suffering a hallucination brought on by excessive beatings (or even that I am not dreaming). There is too much certainty in the world and not enough humility (I confidently assert).

Incidently I think invoking Heisenberg is not always relevant. It really only applies to the very very small and in "most practical everyday situations" the error brought about by QM uncertainty is so little as to be genuinely unimportant. On the other hand uncertainties of perception and memory are enormous.