1,131 Quotes by Carl Sagan

We're in very bad trouble if we don't understand the planet we're trying to save.

I don't know where i am going but I'm on my way.

Skepticism enables us to distinguish fancy from fact, to test our speculations.

The first two letters of the name Pluto are the initials of Percival Lowell. Its symbol Is , a planetary monogram. But Lowell's llfelong love was the planet Mars. He was electrified by the announcement in 1877 by an Italian astronomer, Giovanni Schiaparelli, of canali on Mars.

The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future, to which our species could migrate. Visit, yes. Settle, not yet. Like it or not, for the moment the Earth is where we make our stand.

One of the greatest gifts adults can give to their offspring and to their society is to read to children.

There is nothing inhuman about an intelligent machine; it is indeed an expression of those superb intellectual capabilities that only human beings, of all the creatures on our planet, now possess

The trapdoor beneath our feet swings open. We find ourselves in bottomless free fall. We are lost in a great darkness, and there's no one to send out a search party. Given so harsh a reality, of course we're tempted to shut our eyes and pretend that we're safe and snug at home, that the fall is only a bad dream.

It's hard to kill a creature once it lets you see its consciousness.