Carl Sagan Quote

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.

Pale Blue Dot (1994)

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....

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....

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....

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....