No one of intelligence resents the inevitable.

No utopia can ever give satisfaction to everyone, all the time. As their material conditions improve, men raise their sights and become discontented with power and possessions that once would have seemed beyond their wildest dreams. And even when the external world has granted all it can, there still remain the searchings of the mind and the longings of the heart.

Any smoothly functioning technology will have the appearance of magic.

Whether we are based on carbon or on silicon makes no fundamental difference we should each be treated with appropriate respect.

The time was fast approaching when Earth, like all mothers, must say farewell to her children.

At the present rate of progress, it is almost impossible to imagine any technical feat that cannot be achieved - if it can be achieved at all - within the next few hundred years.

Every revolutionary idea seems to evoke three stages of reaction. They may be summed up by the phrases: 1- It's completely impossible. 2- It's possible, but it's not worth doing. 3- I said it was a good idea all along.