A Universe from Nothing: Why There Is Something Rather Than Nothing

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The amazing thing is that every atom in your body came from a star that exploded. And, the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics: You are all stardust. You couldn’t be here if stars hadn’t exploded, because the elements - the carbon, nitrogen, oxygen, iron, all the things that matter for evolution - weren’t created at the beginning of time. They were created in the nuclear furnaces of stars, and the only way they could get into your body is if those stars were kind enough to explode. So, forget Jesus. The stars died so that you could be here today.Lawrence M. Krauss

Something is far more common, in whatever universe you might invent, than nothing.Lawrence M. Krauss

The likelihood that at least some species of intelligent life would evolve seems like a good bet, now that we know that habitable planets exist in our galaxy in great abundance.Lawrence M. Krauss

Science is an active process of questioning, not a passive process of note-taking.Lawrence M. Krauss

Because there is a law such as gravity, the universe can and will create itself from nothing.Lawrence M. Krauss

The difference between the past and the future is not only a fundamental aspect of human experience but also of fundamental import in quantum mechanics, and ultimately the origin of the arrow of time is to be found in cosmology.Lawrence M. Krauss

The dominant energy in the universe resides in empty space.Lawrence M. Krauss

Whenever we make a new discovery, it opens up a vast new ocean of things that we don’t know and things we realize we don’t understand.Lawrence M. Krauss

Each atom you possess has almost certainly passed through several stars and been part of millions of organisms on its way to becoming you. We are each so atomically numerous and so vigorously recycled at death that a significant number of our atoms-- up to a billion for each of us, it has been suggested-- probably once belonged to Shakespeare.Lawrence M. Krauss

The reality we perceive is just the froth atop the quantum sea.Lawrence M. Krauss