Ponder this!

'Science is not only compatible with spirituality; it is a profound source of spirituality.'


'Extraordinary claims require extraordinary evidence.'

His thoughts on conspiracy theories

'Imagination will often carry us to worlds that never were, but without it we go nowhere.'

Then physicists invented the theory of parallel universes. Then along comes great science fiction novels.


"One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time."


Good reason to stick with older books

'I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.'


Don't rely on God or aliens to save you. If they do exist, they will just observe us doing something counterproductive and write us off as failed experiment.

'Science is a way of thinking much more then it is a body of knowledge.'

'Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is'


The internet connects us with the insight and knowledge of the greatest minds that ever were, with the best teachers, drawn from the entire globe and from all our history, to instruct us, and to inspire us to make our own contribution to the collective knowledge of the human species. I think the health of our civilization is depended upon our awareness about the workings of our society that the internet is not infected with disinformation from religious, political and economic institutions.

Problems do not go away by pouring money into them. They will remain forever a barrier to the growth and development of technology.