As with all quantum devices, a qubit is a delicate flower. If you so much as look at it, you destroy it. - Hans Christian von Baeyer

Paradox is the sharpest scalpel in the satchel of science. Nothing concentrates the mind as effectively, regardless of whether it pits two competing theories against each other, or theory against observation, or a compelling mathematical deduction against ordinary common sense.

In fact, an information theory that leaves out the issue of noise turns out to have no content.

Underneath the shifting appearances of the world as perceived by our unreliable senses, is there, or is there not, a bedrock of objective reality?