"We are like butterflies who flutter for a day and think it is forever."
Carl Sagan"The man who has been educated in a subject is a good judge of that subject."
Quotes to Explore
"The universe is not required to be in perfect harmony with human ambition."
Carl Sagan"Somewhere, something incredible is waiting to be known."
Carl Sagan"Imagination will often carry us to worlds that never were. But without it we go nowhere."
Carl Sagan"Extraordinary claims require extraordinary evidence."
Carl Sagan"Science is a way of thinking much more than it is a body of knowledge."
Carl Sagan"The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars."
Carl Sagan"We are a way for the cosmos to know itself."
Carl Sagan"For small creatures such as we the vastness is bearable only through love."
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 star stuff."
Carl Sagan"Every one of us is, in the cosmic perspective, precious."
Carl Sagan"The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself."
Carl Sagan"Absence of evidence is not evidence of absence."
Carl Sagan"If you wish to make an apple pie from scratch, you must first invent the universe."
Carl Sagan