In Intelligent Life, there’s an interesting article on a parable written by the philosopher John Wisdom. Here is said parable in full:

Two people return to their long neglected garden and find, among the weeds, that a few of the old plants are surprisingly vigorous. One says to the other, “It must be that a gardener has been coming and doing something about these weeds.” The other disagrees…They pitch their tents and set a watch. No gardener is ever seen. The believer wonders if there is an invisible gardener, so they patrol with bloodhounds but the bloodhounds never give a cry. Yet the believer…insists that the gardener is invisible, has no scent and gives no sound. The sceptic doesn’t agree, and asks how a so-called invisible, intangible, elusive gardener differs from an imaginary gardener, or even no gardener at all. [Read more →]