100+ Carl Sagan Quotes | Minimalist Quotes

We are star stuff which has taken its destiny into its own hands.
CARL SAGAN

Destiny Hands Science Stars Stuff
Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
CARL SAGAN

Explanation Love Peverse Science Want World
Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGAN

Ability Bird Fly Motivational Separate Walk Work Hard
Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
CARL SAGAN

Elegant Imagination Nature Stuble
When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
CARL SAGAN

Distant Fusion Look Night Nuclear Science Shine Stars
Imagination will often carry us to worlds that never were, but without it we go nowhere.
CARL SAGAN

Business Carry Imagination Inspirational World
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

Apple Blood Calcium DNA Interior Nitrogen Stars Teeth
If you wish to make an apple pie from scratch, you must first invent the universe.
CARL SAGAN

Apple Invention Science Scratch Universe
The Earth is a very small stage in a vast cosmic arena.
CARL SAGAN

Arena Cosmic Earth Stage Vast
Except in pure mathematics, nothing is known for certain (although much is certainly false).
CARL SAGAN

Certain Except False Mathematics Pure
Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.
CARL SAGAN

Beat Born Enthusiam Kids Natural Science Scientist Start System Wonder
One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
CARL SAGAN

Adult Children Gift Reading Society Spring
I’ve always thought an agnostic is an atheist without the courage of his convictions.
CARL SAGAN

Atheist Conviction Courage
Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
CARL SAGAN

Depth Different Giving Involvement Love Number Perhaps Relationship
What an astonishing thing a book is.
CARL SAGAN

Astonish Book One Liner
We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.
CARL SAGAN

Bound Human Quality Religion Science Thirist Wonder
To live in the hearts we leave behind is to live forever.
CARL SAGAN

Break Up Couple Deep Forever Heart Leaving Live Love
And you are made of a hundred trillion cells. We are, each of us, a multitude.
CARL SAGAN

Biology Cell Science
Understanding is a kind of ecstasy.
CARL SAGAN

Ecstasy Kind One Liner Understand
The absence of evidence is not evidence of absence.
CARL SAGAN

Absence Evidence One Liner
The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.
CARL SAGAN

Act Celebration Cosmic Magnificant Merge Modest Scale Understand
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
CARL SAGAN

Brain Feeling Goodness Joy Muscle Understand
We are all stardust.
CARL SAGAN

One Liner Stardust
Be grateful everyday for the brief but magnificent opportunity that life provides.
CARL SAGAN

Inspirational Life Magnificent Opportunity Positive Provide Thankful
Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
CARL SAGAN

Book Century Flower Lie Promise Seed Soil
I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
CARL SAGAN

Assume Come Consideration Danger Extreme Ourselves Outside Problem Solution
The universe seems neither benign nor hostile, merely indifferent.
CARL SAGAN

Hostile Indifference Universe

Carl Sagan Quotes

Famous American astronomers