| "If the human mind was simple enough to understand, we'd be too simple to understand it." |
| Emerson Pugh |
| "The number of possible permutations and combinations of brain activity exceeds the number of elementary particles in the Universe." |
| V.S. Ramachandran, Univ. of California, San Diego |
| "There are still very major problems to solve on how information is stored and retrieved and used in the brain. It's a bigger problem than [discovering] DNA, and a more difficult one." |
| James Watson, Nobel laureate |
| "The brain is the last great frontier of the human body. It is still not known how groups of neurons work together..." |
| Red Herring magazine |
| "The real problem is not whether machines think, but whether men do." |
| B.F. Skinner, behavorial psychologist and author |