Quotes of All Topics . Occasions . Authors
The present inhabitation of Mars be a race superior to ours is very probable.
How smart does a chimpanzee have to be before killing him constitutes murder?
The story of humans is the story of ideas that shine light into dark corners.
The world of learning is so broad, and the human soul is so limited in power!
We need not hesitate to admit that the Sun is richly stored with inhabitants.
Any time things go to infinity in physics, we know we haven't gotten it right.
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.
I have a good idea every two years. Give me a topic, I will give you the idea!
I am just through with a summer, and a summer is to me always a trying ordeal.
Hydrogen is a light, odorless gas, which, given enough time, turns into people.
I'm not myself religious but have no wish to insult or denigrate those who are.
Science progresses best when observations force us to alter our preconceptions.
The fine tuning of the universe provides prima facie evidence of deistic design.
I knew that even if I were second or third rate, it was astronomy that mattered.
It is sad to see a woman sacrificing the ties of the affections even to do good.
Humanity and life are reflected in the stars, and the Universe itself is poetry.
Something unknown is doing we don't know what-that is what our theory amounts to.
What is possible in the Cavendish Laboratory may not be too difficult in the sun.
If the existence of human beings leads to nothing, what is all this comedy about?
One of the great commandments of science is: 'Mistrust arguments from authority.'
In exchange for freedom of inquiry, scientists are obliged to explain their work.
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.
In science, it is rare that a transformational change occurs during our lifetimes.
Some piously record 'In the beginning God', but I say 'In the beginning hydrogen'.
No woman should say, "I am but a woman!" But a woman! What more can you ask to be?
All space projects push the frontiers of technology and are drivers of innovation.
There is no better boat than a horoscope to help a man cross over the sea of life.
I'm Jewish, and so religion, to me, is a kind of moral code and a kind of history.
We are bits of stellar matter that got cold by accident, bits of a star gone wrong.
But down deep, at the molecular heart of life we're essentially identical to trees.
Books are key to understanding the world and participating in a democratic society.
There is a coherent plan to the universe, though I don't know what it's a plan for.
There is a coherent plan in the universe, though I don't know what it's a plan for.
There was just nothing as interesting in my life as watching the stars every night.
Curiosity and the urge to solve problems are the emotional hallmarks of our species.
Humans are very good at dreaming, although you'd never know it from your television.
An insect is more complex than a star..and is a far greater challenge to understand.
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.
Why are the heavens not filled with light? Why is the universe plunged into darkness?
We need senators who have studied physics and representatives who understand ecology.
An ordinary black hole is thought to be the end state of a really massive star's life.
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.