Somewhere, something incredible is waiting to be known.
NASA/JPL. Public domain · Wikimedia Commons
Carl Sagan
American astronomer and science communicator who co-produced the Cosmos television series (1980). Published more than 600 scientific papers and popular books on planetary science.
16 quotes
Extraordinary claims require extraordinary evidence.
We are a way for the cosmos to know itself.
The cosmos is within us. We are made of star-stuff.
For small creatures such as we, the vastness is bearable only through love.
If you wish to make an apple pie from scratch, you must first invent the universe.
It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.
Imagination will often carry us to worlds that never were. But without it we go nowhere.
Science is a way of thinking much more than it is a body of knowledge.
We make our world significant by the courage of our questions and by the depth of our answers.
Understanding is a kind of ecstasy.
The universe seems neither benign nor hostile, merely indifferent.
Every one of us is, in the cosmic perspective, precious.
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
The brain is like a muscle. When it is in use we feel very good.
The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars.