Given what we know about the human brain, two facts stand out as astonishing: (1) We know very little about what distinguishes the human brain from that of other species; and (2) apparently, few neuroscientists regard fact 1 as much of a problem.

–Todd Preuss (2000). What’s human about the human brain? In The New Cognitive Neurosciences (M.S. Gazzaniga, Ed.), Cambridge MA: MIT Press.
Via Jody Culham