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There is nothing beyond the world except what we see, no background to it except its particular history.

— Lee Smolin Three Roads to Quantum Gravity (2000)

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More quotes by Lee Smolin

String theory seems to be incompatible with a world in which a cosmological constant has a positive sign, which is what the observations indicate.

Loop Quantum Gravity," The New Humanists: Science at the Edge (2003)

There are unfortunately not a few good professional physicists who still think about the world as if space and time had an absolute meaning.

Three Roads to Quantum Gravity (2000)

Is the flow of time something real, or might our sense of time passing be just an illusion that hides the fact that what is real is only a vast collection of memories?

I believe that the main lesson of relativity and quantum theory is that the world is nothing but an evolving network of relationships.

Three Roads to Quantum Gravity (2000)

Time is described only in terms of change in the network of relationships that describes space.

Three Roads to Quantum Gravity (2000)

All Lee Smolin quotes →

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A generation which ignores history has no past —and no future.

Robert A. Heinlein Time Enough for Love (1973)

History, Stephen said, is a nightmare from which I am trying to awake.

James Joyce Ulysses (1922)

If we don’t care about our past we can’t have very much hope for our future.

Jacqueline Kennedy Onassis

I like the dreams of the future better than the history of the past, — so good night!

Thomas Jefferson

Attribution

Quote text and notes from Wikiquote: Lee Smolin (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.