We stand now at the turning point between two eras. Behind us is a past to which we can never return...

One of the great tragedies of mankind is that morality has been hijacked by religion.

I sometimes wonder how we spent leisure time before satellite television and Internet came along…and then I realise that I have spent more than half of my life in the ‘dark ages’!

We seldom stop to think that we are still creatures of the sea, able to leave it only because, from birth to death, we wear the water-filled space suits of our skins.

The difference between machines and human beings is that human beings can be reproduced by unskilled labour.

In the long run, there are no secrets. in science. The universe will not cooperate in a cover-up.

Before the current decade ends, fee-paying passengers will be experiencing suborbital flights aboard privately funded vehicles. . . . It won't be too long before bright young men and women set their eyes on careers in Earth orbit and say: "I want to work 200 kilometers from home-straight up!"