Sometimes a decision has to be made by a single individual, who has the authority to enforce it. That's why you need a captain. You can't run a ship by a committee-at least not all the time.

The best proof of intelligent life in space is that it hasn't come here.

The exploration of the planets is now closer to us in time than the exploration of Africa by Stanley and Livingstone.

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

If children have interests, then education happens.

Now I understand,” said the last man.

Can the synthesis of man and machine ever be stable, or will the purely organic component become such a hindrance that it has to be discarded?