All science is either physics or stamp collecting. -E. Rutherford.

The scientific theory I like best is that the rings of Saturn are composed entirely of lost airline luggage.

What is more difficult, to think of an encampment on the moon or of Harlem rebuilt? Both are now within the reach of our resources. Both now depend upon human decision and human will.

The coming of the printing press must have seemed as if it would turn the world upside down in the way it spread and, above all, democratized knowledge. Provide you could pay and read, what was on the shelves in the new bookshops was yours for the taking. The speed with which printing presses and their operators fanned out across Europe is extraordinary. From the single Mainz press of 1457, it took only twenty-three years to establish presses in 110 towns: 50 in Ita!0 in Germany, 9 in France, 8 in Spain, 8 in Holland, 4 in England, and so on.

The newest computer can merely compound, at speed, the oldest problem in the relations between human beings, and in the end the communicator will be confronted with the old problem, of what to say and how to say it.

A satellite has no conscience.