Nowadays, the scarce resources are humility and intellectual courage, not qualifications. This is especially true when looking at public policy that is guided b

Nowadays, the scarce resources are humility and intellectual courage, not qualifications. This is especially true when looking at public policy that is guided by scientific results, because the science often needs to take a back seat to more human concerns. It is easy to fall into the trap of thinking that the science is all that matters, but for every scientific paper published on a subject there are an infinite number of unpublished papers and unexamined data sets. See also: Frederic Bastiat’s essay on “The Seen and the Unseen”