Stephen Hawking Quotes - Page 5

It is not clear that intelligence has any long-term survival value.

Save water. Shower with your girlfriend.

Galileo, perhaps more than any other single person, was responsible for the birth of modern science.

Although I cannot move, and I have to speak through a computer, in my mind, I am free.

We are all now connected by the Internet, like neurons in a giant brain.

We live in the most probable of all possible worlds.

What I meant by 'we would know the mind of God' is, we would know everything that God would know, if there were a God. Which there isn't. I'm an atheist.

I have experimental evidence that time travel is not possible.

The idea that we are alone in the universe seems to me completely implausible and arrogant, considering the number of planets and stars that we know exist, it's extremely unlikely that we are the only form of evolved life.

A snooze button is a poor substitute for no alarm clock at all.

Love the neighbor. But don't get caught.

We don't let animals suffer, so why humans?

Never put off the work till tomorrow what you can put off today.

There is a fundamental difference between religion, which is based on authority, [and] science, which is based on observation and reason. Science will win because it works.

It's the gravity that shapes the large scale structure of the universe, even though it is the weakest of four categories of forces

The whole history of science has been the gradual realization that events do not happen in an arbitrary manner, but that they reflect a certain underlying order, which may or may not be divinely inspired.

Do you ever wonder how much deeper the ocean would be without sponges?

In a world that is in chaos politically, socially and environmentally, how can the human race sustain another 100 years?

Though we feel we can choose what we do, our understanding of the molecular basis of biology shows that biological processes are governed by the laws of physics and chemistry and therefore are as determined as the orbits of the planets.

I believe things cannot make themselves impossible.

There is no unique picture of reality.

Ever since the dawn of civilization, people have not been content to see events as unconnected and inexplicable. They have craved an understanding of the underlying order in the world. 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.

A theory is a good theory if it satisfies two requirements: it must accurately describe a large class of observations on the basis of a model that contains only a few arbitrary elements, and it must make definite predictions about the results of future observations.

I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first. I regard the brain as a computer which will stop working when its components fail. There is no heaven or afterlife for broken down computers; that is a fairy story for people afraid of the dark.

Keeping an active mind has been vital to my survival, as has been maintaining a sense of humor.