Carl Edward Sagan ( November 9, 1934 – December 20, 1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator...
Carl Sagan Development
Carl Sagan Learning
Extraordinary claims require extraordinary evidence. Carl Sagan
Extraordinary claims require extraordinary evidence.
If you wish to make an apple pie from scratch, you must first invent the universe. Carl Sagan
If you wish to make an apple pie from scratch, you must first invent the universe.
Somewhere, something incredible is waiting to be known Carl Sagan
Somewhere, something incredible is waiting to be known
we make our world significant by the courage of our questions and the depth of our answers. Carl Sagan
we make our world significant by the courage of our questions and the depth of our answers.
Science is not only compatible with spirituality; it is a profound source of spirituality. Carl Sagan
Science is not only compatible with spirituality; it is a profound source of spirituality.
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. We are made of starstuff. Carl Sagan
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. We are made of starstuff.
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous. Carl Sagan
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
If it can be destroyed by the truth, it deserves to be destroyed by the truth. Carl Sagan
If it can be destroyed by the truth, it deserves to be destroyed by the truth.
Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out. Carl Sagan
Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out.
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves. Carl Sagan
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. Carl Sagan
For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
It pays to keep an open mind, but not so open your brains fall out. Carl Sagan
It pays to keep an open mind, but not so open your brains fall out.
