Lawrence M. Krauss Quotes

"For most people, the central questions of existence ultimately come down to transcendental ones: Why is there a universe at all? Why are we here?
Whatever presumptions one might bring to the question "Why?," if we understand the "how" better, "why" will come into sharper focus."

We live at a very special time. . . the only time when we can observationally verify that we live at a very special time!

If we wish to draw philosophical conclusions about our own existence, our significance, and the significance of the universe itself, our conclusions should be based on empirical knowledge. A truly open mind means forcing our imaginations to conform to the evidence of reality, and not vice versa, whether or not we like the implications.

the universe could have expanded during this inflationary period by a factor of more than 1028. While this is an incredible amount, it amazingly could have happened in a fraction of a second in the very early universe.

A universe without purpose should neither depress us nor suggest that our lives are purposeless. Through an awe-inspiring cosmic history we find ourselves on this remote planet in a remote corner of the universe, endowed with intelligence and self-awareness. We should not despair, but should humbly rejoice in making the most of these gifts, and celebrate our brief moment in the sun.

Science simply forces us to revise what is sensible to accommodate the universe, rather than vice versa.

If the universe doesn't care about us and if we're an accident in a remote corner of the universe, in some sense it makes us more precious. The meaning in our lives is provided by us; we provide our own meaning.

Whenever one asks “Why?” in science, one actually means “How?”. “Why?” is not really a sensible question in science because it usually implies purpose and, as anyone who has been the parent of a small child knows, one can keep on asking “Why?” forever, no matter what the answer to the previous question. Ultimately, the only way to end the conversation seems to be to say “Because!

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 the stars were kind enough to explode.

So forget Jesus. The stars died so that you could be here today.

"[T]he declaration of a First Cause still leaves open the question, "Who created the creator?" After all, what is the difference between arguing in favor of an eternally existing creator versus an eternally existing universe without one?"

"The date here is very interesting, because, as far as I can determine, the first Star Trek episode to refer to a black hole, which it called a "black star," was aired in 1967 before Wheeler ever used the term in public."

an electron accelerated to .9999999999999999999999999999999999999999999999999 9999999999999 times the speed of light would hit you with the same impact as a Mack truck traveling at normal speed.

"If you ask religious believers why they believe, you may find a few "sophisticated" theologians who will talk about God as the "Ground of all Isness," or as "a metaphor for interpersonal fellowship" or some such evasion. But the majority of believers leap, more honestly and vulnerably, to a version of the argument from design or the argument from first cause. Philosophers of the caliber of David Hume didn't need to rise from their armchairs to demonstrate the fatal weakness of all such argument: they beg the question of the Creator's origin."

Defining away the question by arguing that the buck stops with God may seem to obviate the issue of infinite regression, but here I invoke my mantra: The universe is the way it is, whether we like it or not. The existence or nonexistence of a creator is independent of our desires. A world without God or purpose may seem harsh or pointless, but that alone doesn’t require God to actually exist.

The forces that govern our experience, electromagnetism and gravity, are blind to the distinction between left and right. No process moderated by either force can turn something such as your right hand into its mirror image. I cannot