Quotes about Existence

Our very existence imposes rules determining from where and at what time it is possible for us to observe the universe. That is, the fact of our being restricts the characteristics of the kind of environment in which we find ourselves. That principle is called the weak anthropic principle.

What is it that breathes fire into the equations and makes a universe for them to describe?

Today we still yearn to know why we are here and where we came from. Humanity's deepest desire for knowledge is justification enough for our continuing quest. And our goal is nothing less than a complete description of the universe we live in.

The success of A Brief History indicates that there is widespread interest in the big questions like: Where did we come from? And why is the universe the way it is?

After all, it is hard to think of a more important, or fundamental, mystery than what, or who, created and controls the universe.

Why is there something rather than nothing? Why do we exist? Why this particular set of laws and not some other?

In an unchanging universe a beginning in time is something that has to be imposed by some being outside the universe;

It means the universe itself, in all its mind-boggling vastness and complexity, could simply have popped into existence without violating the known laws of nature.

Prof Stephen Hawking, one of Britain's pre-eminent scientists, has said that efforts to create thinking machines pose a threat to our very existence. He told the BBC:The development of full artificial intelligence could spell the end of the human race.

Remember to look up at the stars and not down at your feet. Try to make sense of what you see, wonder about what makes the universe exist. Be curious. However difficult life may seem, there is always something you can do and succeed at. It matters that you don't just give up.

people don't seem too worried about a possible end twenty billion years in the future. You can do quite a lot of eating, drinking and being merry before that.

The laws of physics demand the existence of something called 'negative energy'.