John Wheeler

"What we have learned is that the universe is strange and wonderful."

"Gravitation is the most mysterious phenomenon in nature."

"We choose to examine the many-worlds interpretation."

"The participatory universe takes this view of reality seriously."

"Mathematics is the language in which God wrote the world."

"The most profound truth is the simplest one."

"Nothing is more important than understanding how the universe works."

"To every action there is always an equal and opposite reaction."

"The Planck scale is the natural arena for quantum gravity."

"History is filled with examples of persistent effort."

"Reality is created by the act of observation."

"The universe is an enormous and beautiful feedback machine."

"Truth is the correspondence between our thoughts and reality."

"Questions are more important than answers."

"Every phenomenon is created by the observer."

"The paradox of the observer is the paradox of existence."

"We are part of the universe looking at itself."

"Gravitation is not a force but a curvature of spacetime."

"Imagination is more important than knowledge."

"The purpose of science is to predict the future."

"Information is the essence of reality."

"The quantum is the answer to everything."

"Nature speaks in the language of mathematics."

"The universe is not made of atoms, but of information."

"Black holes are not black."

"The future is not predetermined."

"Determinism is a myth."

"Free will is fundamental to the universe."

"Consciousness is the basis of reality."

"The observer makes the universe real."