Nothing seems to me more doubtful than Aristotle's remark that it is probable the arts and philosophy have several times been discovered and several times lost.

I shall go further and say that even if an examination of the past could lead to any valid prediction concerning man's future, that prediction would be the contrary of reassuring.

Peace, if it ever exists, will not be based on the fear of war but on the love of peace.

It may be said that modern Europe with teachers who inform it that its realist instincts are beautiful, acts ill and honors what is ill.

In a lot of Western science fiction, you need some form of conflict, whether it's aliens or robots. I think in Western culture, being more suspicious of science, and hubris, you'll see a lot of fear of creating something that goes out of control.

I like to cross the divide between the personal world and the scientific world.

In this metaphor we actually have a picture of the computational universe, a metaphor which I hope to make scientifically precise as part of a research program.

If Margaret Thatcher took climate change seriously and believed that we should take action to reduce global greenhouse emissions, then taking action and supporting and accepting the science can hardly be the mark of incipient Bolshevism.