“The Malthusian Theory - that mankind, for biological and sociological ...” — Paul Samuelson Quote

“The Malthusian Theory - that mankind, for biological and sociological reasons, is so fertile, so fecund, that if you started out with the new continent and plenty of land for everybody, in several generations we would multiply our numbers.”

“When I was a kid, I reckoned things in Hershey bars. Is this worth three Hershey bars to me?”

“Economics is not an exact science. It's a combination of an art and elements of science. And that's almost the first and last lesson to be learned about economics: that in my judgment, we are not converging toward exactitude, but we're improving our data bases and our ways of reasoning about them.”

“I got a little bit pleased with myself. I didn't buy a Rolls-Royce or anything like that but I didn't see my biological family for a while. I was getting a bit self-important and they told me. They dragged me back.”

“Human beings have been manipulating the biological world for thousands of years without understanding how DNA codes function.”

“I've been broody since I was only one-year-old. My biological clock started ticking almost straight away.”