“For the longest time I was brought up listening to only two genres of music, pop and rock. So in the past few years I've been trying to expand my interests because I think that you can only write to the extent of your knowledge, and if your knowledge is limited you can't write past that.”

“Another cause of change, one less noticeable but fundamental, is the modern growth of population closely connected with scientific and medical discoveries. It is interesting that the United Nations has set up a special Commission to study this question.”