Imagination will often carry us to worlds that never were. But without it we go nowhere.
One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
No photograph can truly recall the beloved’s smile.
The universe forces those who live in it to understand it.
Some thrive for time, while most quickly vanish.
Skepticism does not sell well.
One of the central issues in the world population crisis is poverty.
If we go far enough back, any two people on earth have a common ancestor.
All inquiries carry with them some element of risk.
To live in the hearts we leave behind is to live forever.
In exchange for freedom of inquiry, scientists are obliged to explain their work.
Intellectual capacity is no guarantee against being dead wrong.
Man is the matter of the cosmos, contemplating itself.
Better the hard truth, i say, than the comforting fantasy.
If we ruin the earth, there is no place else to go
There are wonders enough out there without our inventing any.
We are star stuff which has taken its destiny into its own hands.
The visions we offer our children shape the future.
It's hard to kill a creature once it lets you see its consciousness.
Across the sea of space, the stars are other suns.
An organism at war with itself is doomed.
We are star stuff harvesting sunlight.
Books break the shackles of time, proof that humans can work magic.
Understanding is a kind of ecstasy.
If it can be destroyed by the truth, it deserves to be destroyed by the truth.
You have to know the past to understand the present.
The absence of evidence is not the evidence of absence.
Science is a way of thinking much more than it is a body of knowledge.