Arthur C. Clark II

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.

The only way of discovering the limits of the possible is to venture a little way past them into the impossible.

Any sufficiently advanced technology is indistinguishable from magic.

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here.

One of the great tragedies of mankind is that morality has been hijacked by religion. So now people assume that religion and morality have a necessary connection. But the basis of morality is really very simple and doesn't require religion at all.

How inappropriate to call this planet "Earth," when it is clearly "Ocean.

My favourite definition of an intellectual: 'Someone who has been educated beyond his/her intelligence.

Before you become too entranced with gorgeous gadgets and mesmerizing video displays, let me remind you that information is not knowledge, knowledge is not wisdom, and wisdom is not foresight. Each grows out of the other, and we need them all.

Magic's just science that we don't understand yet.

What was more, they had taken the first step toward genuine friendship. They had exchanged vulnerabilities.

In my life I have found two things of priceless worth - learning and loving. Nothing else - not fame, not power, not achievement for its own sake - can possible have the same lasting value. For when your life is over, if you can say 'I have learned' and 'I have loved,' you will also be able to say 'I have been happy.

It has yet to be proven that intelligence has any survival value.

I am an optimist. Anyone interested in the future has to be otherwise he would simply shoot himself.

A faith that cannot survive collision with the truth is not worth many regrets.