Robots will neither be common nor very good in 2014, but they will be in existence.

Isn't it sad that you can tell people that the ozone layer is being depleted, the forests are being cut down, the deserts are advancing steadily, that the greenhouse effect will raise the sea level 200 feet, that overpopulation is choking us, that pollution is killing us, that nuclear war may destroy us - and they yawn and settle back for a comfortable nap. But tell them that the Martians are landing, and they scream and run.

I want to be a human being, nothing more and nothing less. ... I don't suppose we can ever stop hating each other, but why encourage that by keeping the old labels with their ready-made history of millennial hate?

The vast majority, who believe in astrology and think that the planets have nothing better to do than form a code that will tell them whether tomorrow is a good day to close a business deal or not, become all the more excited and enthusiastic.

The human mind works at low efficiency. Twenty percent is the figure usually given. When, momentarily, there is a flash of greater power, it is termed a hunch, or insight, or intuition.

If knowledge can create problems, it is not through ignorance that we can solve them.

The great secret of the successful fool is that he's no fool at all