Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGANExcept in pure mathematics, nothing is known for certain (although much is certainly false).
More Carl Sagan Quotes
-
-
The absence of evidence is not evidence of absence.
CARL SAGAN -
If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
CARL SAGAN -
The Earth is the only world known so far to harbor life.
CARL SAGAN -
Imagination will often carry us to worlds that never were, but without it we go nowhere.
CARL SAGAN -
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
CARL SAGAN -
The only thing we’ve found that makes the emptiness bearable, is each other.
CARL SAGAN -
I would suggest that science is, at least in my part, informed worship.
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 -
Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
CARL SAGAN -
Those at too great a distance may, I am well are, mistake ignorance for perspective.
CARL SAGAN -
For small creatures such as we the vastness is bearable only through love.
CARL SAGAN -
The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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 -
I think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.
CARL SAGAN -
You have to know the past to understand the present.
CARL SAGAN