740 Quotes by Stephen Hawking

We are entering an increasingly dangerous period of our history. But I’m an optimist.

Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of being labelled a ‘crank.’

I don’t have much positive to say about motor neuron disease, but it taught me not to pity myself because others were worse off, and to get on with what I still could do. I’m happier now than before I developed the condition.

In Britain, like most of the developed world, stem-cell research is regarded as a great opportunity. America will be left behind if it doesn’t change policy.

It’s clearly possible for a something to acquire higher intelligence than its ancestors: we evolved to be smarter than our ape-like ancestors, and Einstein was smarter than his parents.

There is no way that we can predict the weather six months ahead beyond giving the seasonal average.

Science fiction can be exciting and very gripping, but it doesn’t tell us anything about the universe in which we live.

What I have done is to show that it is possible for the way the universe began to be determined by the laws of science. In that case, it would not be necessary to appeal to God to decide how the universe began. This doesn’t prove that there is no God, only that God is not necessary.

You can’t regulate every lab in the world.