All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.

Quote by Dr Carl Sagan

Topics: Books Quotes

You have to know the past to understand the present.

You have to know the past to understand the present.

True human progress, that which can be linked to evolution, and which prolongs it, can...

True human progress, that which can be linked to evolution, and which prolongs it, can...

All of the books in the world contain no more information than is broadcast as...

All of the books in the world contain no more information than is broadcast as...

A religion old or new, that stressed the magnificence of the universe as revealed by...

A religion old or new, that stressed the magnificence of the universe as revealed by...

For most of human history we have searched for our place in the cosmos. Who...

For most of human history we have searched for our place in the cosmos. Who...

I worry that, especially as the Millennium edges nearer, pseudo-science and superstition will seem year...

I worry that, especially as the Millennium edges nearer, pseudo-science and superstition will seem year...

Personally, I would be delighted if there were a life after death, especially if it...

Personally, I would be delighted if there were a life after death, especially if it...

Who are we? Where do we come from? Why are we this way and not...

Who are we? Where do we come from? Why are we this way and not...

If we long to believe that the stars rise and set for us, that we...

If we long to believe that the stars rise and set for us, that we...

Somewhere, something incredible is waiting to be known.

Somewhere, something incredible is waiting to be known.

Who are we? We find that we live on an insignificant planet of a humdrum...

Who are we? We find that we live on an insignificant planet of a humdrum...

A religion old or new, that stressed the magnificence of the universe as revealed by...

A religion old or new, that stressed the magnificence of the universe as revealed by...

A galaxy is composed of gas and dust and stars - -billions upon billions of...

A galaxy is composed of gas and dust and stars - -billions upon billions of...

Our loyalties are to the species and the planet. We speak for Earth. Our obligation...

Our loyalties are to the species and the planet. We speak for Earth. Our obligation...

In science it often happens that scientists say, 'You know that's a really good argument;...

In science it often happens that scientists say, 'You know that's a really good argument;...

There are many hypotheses in science which are wrong. That's perfectly all right; they're the...

There are many hypotheses in science which are wrong. That's perfectly all right; they're the...

When Kepler found his long-cherished belief did not agree with the most precise observation, he...

When Kepler found his long-cherished belief did not agree with the most precise observation, he...

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

Hospitals are only an intermediate stage of civilization

Hospitals are only an intermediate stage of civilization

The prevalent fear of poverty among the educated classes is the worst moral disease from...

The prevalent fear of poverty among the educated classes is the worst moral disease from...

Technology is destructive only in the hands of people who do not realize that they...

Technology is destructive only in the hands of people who do not realize that they...