A Brief History of Time Quotes

“The laws of science do not distinguish between the past and the future.”

― Stephen Hawking, A Brief History of Time

topic:futurepastscience

“The reason we say that humans have free will is because we can’t predict what they will do.”

― Stephen Hawking, A Brief History of Time

topic:humanity

“If there really is a complete unified theory that governs everything, it presumably also determines your actions. But it does so in a way that is impossible to calculate for an organism that is as complicated as a human being.”

― Stephen Hawking, A Brief History of Time

topic:humanityactiontheory

“The eventual goal of science is to provide a single theory that describes the whole universe.”

― Stephen Hawking, A Brief History of Time

topic:scienceuniversetheory

“Galileo, perhaps more than any other single person, was responsible for the birth of modern science.”

― Stephen Hawking, A Brief History of Time

topic:science

“The usual approach of science of constructing a mathematical model cannot answer the questions of why there should be a universe for the model to describe.”

― Stephen Hawking, A Brief History of Time

topic:scienceuniverse

“a machine that was powerful enough to accelerate particles to the grand unification energy would have to be as big as the Solar System—and would be unlikely to be funded in the present economic climate.”

― Stephen Hawking, A Brief History of Time

topic:science

“Only light, or other waves that have no intrinsic mass, can move at the speed of light.”

― Stephen Hawking, A Brief History of Time

topic:light

“The discovery that the universe is expanding was one of the great intellectual revolutions of the twentieth century.”

― Stephen Hawking, A Brief History of Time

topic:universe

“Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe?”

― Stephen Hawking, A Brief History of Time

topic:universetheory