"The brain is a mystery; it has been and still will be. How does the brain produce thoughts? That is the central question and we have still n…"

— Charles Scott Sherrington

"But from a deeper perspective , thoughts simply arise unauthored and yet author our actions."

— Sam Harris

"The mind passes in an instant from east to west; and all the great incorporeal things resemble these very closely in speed."

— Leonardo da Vinci

"I suppose their thinking is that since ideas can be dangerous, there should be limits on which ideas are expressed. Which is only the founda…"

— Brian Clevinger

"I'm a strong-minded woman, but I don't try to deny that I'm a female in any way."

— Dolores O'Riordan