Carl Sagan Quotes

The universe is a pretty big place. If it’s just us, seems like an awful waste of space. – Carl Sagan

Somewhere, something incredible is waiting to be known. – Carl Sagan

We are made of star stuff. – Carl Sagan

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

For small creatures such as we, the vastness is bearable only through love. – Carl Sagan

The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together. – Carl Sagan

In order to make an apple pie from scratch, you must first invent the universe. – 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. – Carl Sagan

A book is proof that humans are capable of working magic. – Carl Sagan

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

Science is not only compatible with spirituality; it is a profound source of spirituality. – Carl Sagan

The universe seems neither benign nor hostile, merely indifferent. – 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

The 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

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

Every aspect of nature reveals a deep mystery and touches our sense of wonder and awe. – Carl Sagan

Extraordinary claims require extraordinary evidence. – Carl Sagan

We make our world significant by the courage of our questions and by the depth of our answers. – Carl Sagan

The Hindu religion is the only one of the world’s great faiths dedicated to the idea that the Cosmos itself undergoes an immense, indeed an infinite, number of deaths and rebirths. – Carl Sagan

Matter flows from place to place and momentarily comes together to be you. – Carl Sagan

We are a way for the cosmos to know itself. – Carl Sagan

What an astonishing thing a book is. It’s a flat object made from a tree with flexible parts on which are imprinted lots of funny dark squiggles. – Carl Sagan

We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good. – Carl Sagan

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

Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. – Carl Sagan

The universe is not required to be in perfect harmony with human ambition. – Carl Sagan

We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. – Carl Sagan

The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars. – Carl Sagan

If we continue to accumulate only power and not wisdom, we will surely destroy ourselves. – Carl Sagan

For all its material advantages, the sedentary life has left us edgy, unfulfilled. Even after 400 generations in villages and cities, we haven’t forgotten. – 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

Science is a way to call the bluff of those who only pretend to knowledge. It is a bulwark against mysticism, against superstition, against religion misapplied to where it has no business being. – Carl Sagan

The universe is under no obligation to make sense to you. – Carl Sagan

Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people. – Carl Sagan

We are the local embodiment of a Cosmos grown to self-awareness. – Carl Sagan

The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together. – Carl Sagan

The cosmos is full beyond measure of elegant truths, of exquisite interrelationships, of the awesome machinery of nature. – Carl Sagan

Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever it 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

A central lesson of science is that to understand complex issues (or even simple ones), we must try to free our minds of dogma and to guarantee the freedom to publish, to contradict, and to experiment. Arguments from authority are unacceptable. – Carl Sagan

The universe is not required to be in perfect harmony with human ambition. – Carl Sagan

The fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright Brothers. But they also laughed at Bozo the Clown. – 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. – Carl Sagan

Our future lies within the stars, and I cannot imagine a better way to be human than to explore the universe and expand the boundaries of our knowledge. – Carl Sagan

We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. – Carl Sagan.