If an elderly but distinguished scientist says that something is possible, he is almost certainly right; but if he says that it is impossible, he is very probably wrong.

The only way of finding the limits of the possible is by going beyond them into the impossible.

—Arthur C. Clarke

If we have learned one thing from the history of invention and discovery, it is that, in the long run—and often in the short one—the most daring prophecies seem laughably conservative.

—Arthur C. Clarke

Politicians should read science fiction, not westerns and detective stories.

—Arthur C. Clarke

CNN is one of the participants in the war. I have a fantasy where Ted Turner is elected president but refuses because he doesn't want to give up power.

—Arthur C. Clarke

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.

—Arthur C. Clarke

Doubt is the father of invention.

—Ambrose Bierce

If a man loves you, you'll never question where his heart is. He will never place doubt in your mind. You'll actually feel the love he has for you, not because he has told you, but because his actions show and prove it every single day.

—Leslie Braswell in Get the Guy

Sometimes you think you know things, know things very deeply, only to realize you don't know a damn thing.

—Jandy Nelson in I'll Give You the Sun

You can never underestimate the stupidity of the general public.

—Scott Adams

When we are in love we often doubt that which we most believe.

—Francois de La Rochefoucauld