Carl Sagan Sayings and Quotes

Below you will find our collection of inspirational, wise, and humorous old carl sagan quotes, carl sagan sayings, and carl sagan proverbs, collected over the years from a variety of sources.


Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to teach us, or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved?      

Carl Sagan

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

Carl Sagan

Imagination will often carry us to worlds that never were. But without it we go nowhere.     

Carl Sagan

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.     

Carl Sagan

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

Carl Sagan

For small creatures such as we the vastness is bearable only through love.     

Carl Sagan

There is perhaps no better a demonstration of the folly of human conceits than this distant image of our tiny world.     

Carl Sagan

The illegality of cannabis is outrageous, an impediment to full utilization of a drug which helps produce the serenity and insight, sensitivity and fellowship so desperately needed in this increasingly mad and dangerous world.     

Carl Sagan

Science is a way of thinking much more than it is a body of knowledge.     

Carl Sagan

We are a way for the cosmos to know itself.     

Carl Sagan

Across the sea of space, the stars are other suns.     

Carl Sagan

All civilizations become either spacefaring or extinct.     

Carl Sagan

The Universe is a pretty big place. If it's just us, seems like an awful waste of space.     

Carl Sagan

We are like butterflies who flutter for a day and think it is forever.     

Carl Sagan

Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.     

Carl Sagan

Be grateful everyday for the brief but magnificent opportunity that life provides.     

Carl Sagan

In all our searching, the only thing we've found that makes the emptiness bearable is each other.     

Carl Sagan

Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.     

Carl Sagan

Extraordinary claims require extraordinary evidence.     

Carl Sagan

Extraordinary claims demand extraordinary evidence.     

Carl Sagan

Preserve and cherish the pale blue dot, the only home we've ever known.     

Carl Sagan

Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.     

Carl Sagan

We are at a crossroads in human history. Never before has there been a moment so simultaneously perilous and promising. We are the first species to have taken evolution into our own hands.     

Carl Sagan

Absence of evidence is not evidence of absence.     

Carl Sagan

Absence of evidence is not evidence of absence.     

Carl Sagan

The world is so exquisite, with so much love and moral depth, that there is no reason to deceive ourselves with pretty stories for which there's little good evidence. Far better, it seems to me, in our vulnerability, is to look Death in the eye and to be grateful every day for the brief but magnificent opportunity that life provides.     

Carl Sagan

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.     

Carl Sagan

Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.     

Carl Sagan

The Cosmos is all that is or was or ever will be. Our feeblest contemplations of the Cosmos stir us there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, of falling from a height. We know we are approaching the greatest of mysteries.     

Carl Sagan

The Earth is a very small stage in a vast cosmic arena.     

Carl Sagan