“Perhaps, as many neuroscientists believe, the brain escapes the limitations and requirements that computer scientists believe are imposed by mathematics, logic, and physics.”

“Such an architecture is prodigally wasteful of material resources. It is nakedly exposed to combinatorial explosions that lurk behind every tree in the computational forest.”

—Gallistel, C. R. 2008. Learning and representation. In Learning and memory: A comprehensive reference, behavioral approaches, ed. Randolf Menzel and John Byrne. Amsterdam: Elsevier Science.