Answer Quote by Michio Kaku

Quantum mechanics as it stands would be perfect if we didn’t have the quantum-gravity issue and a few other very deep fundamental problems.

— Gerard 't Hooft

'What was there before the Big Bang?' That's a question that both kids and adults love to pose to anyone who seems sympathetic. After…

— Seth Shostak

We're on this planet for the briefest of moments in cosmic terms, and I want to spend that time thinking about what I consider…

— Brian Greene

While many questions about quantum mechanics are still not fully resolved, there is no point in introducing needless mystification where in fact no problem…

— Murray Gell-Mann

A successful unification of quantum theory and relativity would necessarily be a theory of the universe as a whole. It would tell us, as…

— Lee Smolin

Physics grapples with the largest questions the universe presents. 'Where did the totality of reality come from?' 'Did time have a beginning?'

— Brian Greene

What I do for living, working on something called string theory which we think may answer the fundamental question: Are there other universes? Can…

— Michio Kaku

We need a theory that goes before the Big Bang, and that's String Theory. String Theory says that perhaps two universes collided to create…

— Michio Kaku

No space, no time, no gravity, no electromagnetism, no particles. Nothing. We are back where Plato, Aristotle and Parmenides struggled with the great questions:…

— John Archibald Wheeler

You have nothing to do but mention the quantum theory, and people will take your voice for the voice of science, and belive anything.

— George Bernard Shaw

“It’s sometimes said that the greatest remaining scientific questions are: What caused the Big Bang? What is the grand unified theory that integrates quantum…

— Rick Hanson

We should get used to the idea that we'll probably never be able to find - and confirm - a good explanation of the…

— Daniel Dennett