“In the beginning, there was physics. "Physics" describes how matter, energy, space, and time behave and interact with one another. The interplay of these characters in our cosmic drama underlies all biological and chemical phenomena. Hence everything fundamental and familiar to us earthlings begins with, and rests upon, the laws of physics. When we apply these laws to astronomical settings, we deal with physics writ large, which we call astrophysics.”

“The remarkable feature of physical laws is that they apply everywhere, whether or not you choose to believe in them. After the laws of physics, everything else is opinion.”

“We have a closed circle of consistency here: the laws of physics produce complex systems, and these complex systems lead to consciousness, which then produces mathematics, which can then encode in a succinct and inspiring way the very underlying laws of physics that gave rise to it.”

“If edges of galaxies do not conform to physical laws we discard the laws not the edges.”

“Possible reality [is obtained] by slightly bending physical and chemical laws.”

“Our civilization rests on a faulty premise, that the world is physical and mechanical, energy and matter only. We do not pay for it in our bridges, we pay for it in the quality of our lives. " ”