If you have nothing in quantum mechanics, you will always have something. Lawrence M. Krauss More Quotes by Lawrence M. Krauss More Quotes From Lawrence M. Krauss Symmetries are the playing field on which the physical world works and which determine the rules of the game. The symmetries of nature determine for us things that remain constant, that can't be changed. Those are the guideposts in physics, the quantities like energy and momentum. Lawrence M. Krauss game nature energy world We should teach kids how to question. Now having said that, of course, to be a productive adult, there are certain skills that are required - reading, writing, and, in the old-fashioned days, we used to say arithmetic. Now we say mathematics. Lawrence M. Krauss say mathematics reading writing By his own admission, Carson's remarkable hand-eye coordination allowed him to soar as a surgeon, and he used that success to build a lucrative reputation as a purveyor of advice for young and old. His book for young people is titled 'You Have a Brain.' Lawrence M. Krauss you brain success people It is, after all, impossible in the modern world to shield everyone from nonsense and stupidity. Lawrence M. Krauss nonsense stupidity impossible world The Bible is full of dubious scientific impossibilities, from Jonah living inside a whale, to the sun standing still in the sky for Joshua. Lawrence M. Krauss inside sun sky bible To the extent that we even understand string theory, it may imply a massive number of possible different universes with different laws of physics in each universe, and there may be no way of distinguishing between them or saying why the laws of physics are the way they are. And if I can predict anything, then I haven't explained anything. Lawrence M. Krauss saying understand universe way Imagining living in a universe without purpose may prepare us to better face reality head on. I cannot see that this is such a bad thing. Lawrence M. Krauss face better universe reality The biggest conceptual change over the last 100 years in the way physicists think about the world is symmetry. Lawrence M. Krauss think change way world These days, gun violence can strike anywhere, from a church hall in Charleston to a movie theatre or a Planned Parenthood office in Colorado. But our response to it depends on whether that violence is understood to be terrorism. Lawrence M. Krauss terrorism violence gun church Cabinet members may disagree and even resign in protest, but, ultimately, they must obey the order of the Commander-in-Chief. Lawrence M. Krauss must protest may order A snowflake is another beautifully ordered example of what simple, natural meteorological processes can produce. Stars form by gravity, collapsing into spherically ordered structures that can remain in this form only if they release tremendous heat energy into the environment. Lawrence M. Krauss environment stars energy simple