"Pop changes week to week, month to month. But great music is like literature."

"In our culture we have such respect for musical instruments, they are like part of God."

"People who have expertise just love to share it. That's human nature."

"Although I do wrong, I do not the wrongs that I am charged with doing the wrong that I do is through the frailty of human nature, like other men. No man lives without fault."

"Real progress in understanding nature is rarely incremental. All important advances are sudden intuitions, new principles, new ways of seeing."

"There are no lines in nature, only areas of colour, one against another."