Quotes of All Topics . Occasions . Authors
We go about our daily lives understanding almost nothing of the world.
Ask courageous questions. Do not be satisfied with superficial answers.
Preserve and cherish the pale blue dot, the only home we've ever known.
I would suggest that science is, at least in my part, informed worship.
We are the first species to have taken our evolution into our own hands.
To live in the hearts of others is to never die in those we leave behind.
Ours is the first generation that has grown up with science-fiction ideas.
The universe is not required to be in perfect harmony with human ambition.
For small creatures such as we the vastness is bearable only through love.
Books permit us to voyage through time, to tap the wisdom of our ancestors.
It does no harm to the romance of the sunset to know a little bit about it.
The open road still softly calls, like a nearly forgotten song of childhood
The cosmos is all there is, all there ever was, and all there ever will be.
How smart does a chimpanzee have to be before killing him constitutes murder?
And you are made of a hundred trillion cells. We are, each of us, a multitude.
Our concern for the future can be tested by how well we support our libraries.
In exchange for freedom of inquiry, scientists are obliged to explain their work.
One of the great commandments of science is: 'Mistrust arguments from authority.'
We're in very bad trouble if we don't understand the planet we're trying to save.
If you wish to make an apple pie from scratch, you must first invent the universe.
Be grateful everyday for the brief but magnificent opportunity that life provides.
As the ancient myth makers knew, we are children equally of the earth and the sky.
Extraordinary observations require extraordinary evidence to make them believable.
Science is far from a perfect instrument of knowledge. It's just the best we have.
Books are key to understanding the world and participating in a democratic society.
But down deep, at the molecular heart of life we're essentially identical to trees.
Humans are very good at dreaming, although you'd never know it from your television.
Curiosity and the urge to solve problems are the emotional hallmarks of our species.
Whatever the reason you're on Mars, I'm glad you're there, and I wish I was with you.
What's the harm of a little mystification? It sure beats boring statistical analyses.
There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
The cure for a fallacious argument is a better argument, not the suppression of ideas.
Maxwell's Equations have had a greater impact on human history than any ten presidents.
UFOs: The reliable cases are uninteresting and in the interesting cases are unreliable.
The Earth is a place. It is by no means the only place. It is not even a typical place.
If you want to make a [rhubarb] pie from scratch, first you have to create the universe.
The universe is a pretty big place. If it's just us, seems like an awful waste of space.
Imagination will often carry us to worlds that never were. But without it we go nowhere.
If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
we make our world significant by the courage of our questions and the depth of our answers
The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.
Football is a thinly disguised re-enactment of hunting; we played it before we were human.
First rule in government spending: why build one when you can have two at twice the price?
Science is not only compatible with spirituality; it is a profound source of spirituality.
The words "question" and "quest" are cognates. Only through inquiry can we discover truth.
Human beings have a demonstrated talent for self-deception when their emotions are stirred.
Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no.
In the deepest sense the search for extraterrestrial intelligence is a search for ourselves.
If you want to save your child from polio, you can pray or you can inoculate....Try science.