The glory of science is to imagine more than we can prove. - Freeman Dyson

I am content to be one of the multitude of Christians who do not care much about the doctrine of the Trinity or the historical truth of the gospels. Both as a scientist and as a religious person, I am accustomed to living with uncertainty. Science is exciting because it is full of unsolved mysteries, and religion is exciting for the same reason. The greatest unsolved mysteries are the mysteries of our existence as conscious beings in a small corner of a vast universe.

Robida in 1883 published cartoon pictures of flat television screens, test-tube babies, bomber airplanes, and chemical warfare. Robida understood, as Verne and Wells did not, that the twentieth would be the century of world wars.

The expansion of life, moving out from Earth into its inheritance, is an even greater theme than the expansion of England across the Atlantic. As Hakluyt wrote that there is under our noses the great and ample country of Virginia, I am saying that there is under our noses the territory of nine planets, forty moons, ten thousand asteroids and a trillion comets.