Nobody knows the future with certainty. We can, however, identify ongoing patterns of change.

The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn, and relearn.

Our moral responsibility is not to stop future, but to shape it...to channel our destiny in humane directions and to ease the trauma of transition.

You've got to think about big things while you're doing small things, so that all the small things go in the right direction.

If we do not learn from history, we shall be compelled to relive it. True. But if we do not change the future, we shall be compelled to endure it. And that could be worse.

The first rule of survival is clear: Nothing is more dangerous than yesterday's success.

Future shock is the shattering stress and disorientation that we induce in individuals by subjecting them to too much change in too short a time.

One of the definitions of sanity is the ability to tell real from unreal. Soon we'll need a new definition.

A new civilization is emerging in our lives, and blind men everywhere are trying to suppress it.

The responsibility for change...lies within us. We must begin with ourselves, teaching ourselves not to close our minds prematurely to the novel, the surprising, the seemingly radical.

Knowledge is knowing... or knowing where to find out.

War soaks into your bones, drills down into the marrow like a parasite. It blots your life like ink spilled on snow white paper, and it has its perils even long after you've given it up.

More than weapons, we need a leader.

The future and eternity are two entirely different things.

Here's a quick rule of thumb: Don't annoy science fiction writers. These are people who destroy entire planets before lunch. Think of what they'll do to you.

Come with us to the field, or go with our brothers to the sea and cast your net. For the land and the sea shall be bountiful to you even as to us.

Free is not the same as free and easy.

it seems a silly kind o' business to bring us into the world at all for no special reason 'cept to take us out of it again just as folks 'ave learned to know us a bit and find us useful.

Mass man is a phenomenon of electric speed, not of physical quantity.

The mind attracts the thing it dwells upon.

The stomach begs and clamors, and listens to no precepts. And yet it is not an obdurate creditor; for it is dismissed with small payment if you give it only what you owe, and not as much as you can.