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" We need to walk into the future, no matter how unnerving, with open eyes if society is to keep pace with technology. "

Lawrence M. Krauss

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" Philosophy used to be a field that had content, but then 'natural philosophy' became physics, and physics has only continued to make inroads. Every time there's a leap in physics, it encroaches on these areas that philosophers have carefully sequestered away to themselves, and so then you have this natural resentment on the part of philosophers. "

Lawrence M. Krauss

" Donald Trump's candidacy has been a source of anxiety for many reasons, but one stands out: the ability of the president to launch nuclear weapons. When it comes to starting a nuclear war, the president has more freedom than he or she does in, say, ordering the use of torture. "

Lawrence M. Krauss

" Local order in parts of the universe is always possible at the expense of heat and disorder dissipated to the external environment. The human body is one example: we take in energy from our environment to build up complex molecules that help power our bodies, and, in doing so, we release heat to the world around us. "

Lawrence M. Krauss

" By no definition of any modern scientist is intelligent design science, and it's a waste of our students' time to subject them to it. "

Lawrence M. Krauss

" The biggest conceptual change over the last 100 years in the way physicists think about the world is symmetry. "

Lawrence M. Krauss

" The notion that anyone in the 21st century could take seriously the notion that the sun orbits the Earth, or that the Earth is the center of the universe, is almost unbelievable. "

Lawrence M. Krauss

" Empty space is a boiling, bubbling brew of virtual particles that pop in and out of existence in a time scale so short that you can't even measure them. "

Lawrence M. Krauss

" 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

" Whatever the evolutionary basis of religion, the xenophobia it now generates is clearly maladaptive. "

Lawrence M. Krauss

" Neutrinos alone, among all the known particles, have ethereal properties that are striking and romantic enough both to have inspired a poem by John Updike and to have sent teams of scientists deep underground for 50 years to build huge science-fiction-like contraptions to unravel their mysteries. "

Lawrence M. Krauss

" Donald Trump called for the closing of borders to Muslims; John McCain said, in response to the President's address on the San Bernardino shooting, that 'this is the war of our time.' As that shooting shows, we react to terrorism with far more intensity than we do to an ordinary crime. "

Lawrence M. Krauss

" 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

" To me, what philosophy does best is reflect on knowledge that's generated in other areas. "

Lawrence M. Krauss

" For a physicist or a mathematician, the most symmetrical object you could think about would be a sphere, because it looks identical no matter what you do to it, however you rotate it in any given direction. "

Lawrence M. Krauss

" There are areas of philosophy that are important, but I think of them as being subsumed by other fields. In the case of descriptive philosophy, you have literature or logic, which, in my view, is really mathematics. "

Lawrence M. Krauss

" When it comes to the things that people really want in science fiction - like space travel - the simplest things end up causing them not to happen. Humans are 100-pound bags of water, built to live on Earth. "

Lawrence M. Krauss

" Richard Nixon, famously, conducted his foreign policy according to the 'madman theory': he tried to convince enemy leaders that he was irrational and volatile in an attempt to intimidate them. But this was a potentially useful approach to foreign policy only because it was an act. "

Lawrence M. Krauss

" When it comes to the real operational issues that govern our understanding of physical reality, ontological definitions of classical philosophers are, in my opinion, sterile. "

Lawrence M. Krauss

" One might rationally argue that individual human beings should be free choose what moral behavior they approve of, and which they don't, subject to the constraints of the law. "

Lawrence M. Krauss

" Empirical explorations ultimately change our understanding of which questions are important and fruitful and which are not. "

Lawrence M. Krauss

" It is, after all, impossible in the modern world to shield everyone from nonsense and stupidity. "

Lawrence M. Krauss

" I am in favor of saying, 'Okay, let's get teams of educators and experts in certain disciplines to say, 'What are the basic things that we think are an essential part of an early education for people?'' Put them together and create, as well as possible, a set of goals and tools to learn those things. "

Lawrence M. Krauss

" If I knew what the next big thing was, I'd be doing it now. "

Lawrence M. Krauss

" Formal logic is mathematics, and there are philosophers like Wittgenstein that are very mathematical, but what they're really doing is mathematics - it's not talking about things that have affected computer science; it's mathematical logic. "

Lawrence M. Krauss

" If innovations were predictable, they wouldn't be discoveries. "

Lawrence M. Krauss

" I don't know if science and reason will ultimately help guide humanity to a better and more peaceful future, but I am certain that this belief is part of what keeps the 'Star Trek' fandom going. "

Lawrence M. Krauss

" On the question of information security, he claims that, in a Trump Administration, the U.S. government will not spy on its own citizens. If true, this would represent a turn away from the strong language that he has used about identifying terrorists on our soil. "

Lawrence M. Krauss

" As a physicist, I've always found cosmology to be a rational elixir; it distances me from ordinary concerns. "

Lawrence M. Krauss

" I can't prove that God doesn't exist, but I'd much rather live in a universe without one. "

Lawrence M. Krauss

" Parents, of course, have concerns and 'say,' but they don't have the right to shield their children from knowledge. That is not a right, any more than they have the right to shield their children from healthcare or medicine. "

Lawrence M. Krauss