There were those, such as Karl Lashley, mentioned earlier, who thought that the corpus callosum was merely a structural element that supported the tw… - Michael S. Gazzaniga

Baruch Spinoza, who said, “There is no mind absolute or free will, but the mind is determined for willing this or that by a cause which is determined in its turn by another cause, and this one again by another, and so on to infinity.

Shitij Kapur, a psychiatrist, neuroscientist, and professor at King’s College London, distinguishes for us the difference between hallucinations and delusions: “Hallucinations reflect a direct experience of the aberrant salience of internal representations,” whereas delusions (false beliefs) are the result of “a cognitive effort by the patient to make sense of these aberrantly salient experiences.

"At the end of the visit Steve asked, "What percent of the work is exciting?" After thinking for a moment, I replied, "Oh about ten percent. The rest is routine." As I have learned in life, 10 percent is a good number for most professions. I know it has been enough to keep me going to work every day with a smile on my face."