David Christian

Quotes

• “I believe human beings mark a threshold in the development of the planet, of course, but it is only part of the picture....”
• “Modern scientific knowledge appeared piecemeal. Historians wrote about human history; physicists tackled the material wo...”
• “In literature classes, you don't learn about genes; in physics classes you don't learn about human evolution. So you get...”
• “As an anonymous wit is supposed to have put it: "Hydrogen is a light, odorless gas which, given enough time, changes int...”