Saganism
@sagan.bsky.social
Science. Philosophy. The cosmic perspective.
Pinned
“The universe is a pretty big place. If it's just us, seems like an awful waste of space.”
- Carl Sagan
- Carl Sagan
February 17, 2026 at 1:36 AM
“The universe is a pretty big place. If it's just us, seems like an awful waste of space.”
- Carl Sagan
- Carl Sagan
“Science is a way of thinking much more than it is a body of knowledge.”
— Carl Sagan
— Carl Sagan
February 16, 2026 at 1:43 PM
“Science is a way of thinking much more than it is a body of knowledge.”
— Carl Sagan
— Carl Sagan
“All truths are easy to understand once they are discovered; the point is to discover them.”
— Galileo Galilei, born on this day in 1564
— Galileo Galilei, born on this day in 1564
February 15, 2026 at 10:15 PM
“All truths are easy to understand once they are discovered; the point is to discover them.”
— Galileo Galilei, born on this day in 1564
— Galileo Galilei, born on this day in 1564
Reposted by Saganism
The Rosette Nebula (NGC 2237) features bright young stars, some burning millions of times brighter than the Sun. Their powerful stellar winds sculpt its iconic rose shape, illuminating glowing hydrogen gas red and ionized oxygen blue.
Credit: Keighley Rockcliffe
Credit: Keighley Rockcliffe
February 14, 2026 at 6:15 PM
The Rosette Nebula (NGC 2237) features bright young stars, some burning millions of times brighter than the Sun. Their powerful stellar winds sculpt its iconic rose shape, illuminating glowing hydrogen gas red and ionized oxygen blue.
Credit: Keighley Rockcliffe
Credit: Keighley Rockcliffe
Carl Sagan’s prediction about America, made 31 years ago.
February 12, 2026 at 4:25 PM
Carl Sagan’s prediction about America, made 31 years ago.
Carl Sagan's message to the world!
February 11, 2026 at 4:22 PM
Carl Sagan's message to the world!
“Lies are often much more plausible, more appealing to reason, than reality, since the liar has the great advantage of knowing beforehand what the audience wishes or expects to hear.”
— Hannah Arendt
— Hannah Arendt
February 10, 2026 at 10:15 PM
“Lies are often much more plausible, more appealing to reason, than reality, since the liar has the great advantage of knowing beforehand what the audience wishes or expects to hear.”
— Hannah Arendt
— Hannah Arendt
“Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.”
― Carl Sagan
― Carl Sagan
February 6, 2026 at 5:15 PM
“Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.”
― Carl Sagan
― Carl Sagan
“The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home.”
— Carl Sagan
— Carl Sagan
February 6, 2026 at 4:21 PM
“The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home.”
— Carl Sagan
— Carl Sagan
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it."
— Albert Einstein
— Albert Einstein
February 5, 2026 at 10:15 PM
"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it."
— Albert Einstein
— Albert Einstein
Nothing disturbs me more than the glorification of stupidity.
— Carl Sagan
— Carl Sagan
Katie Miller: “You know, like other conspiracy theories like did we actually land a man on the moon?”
Nicki Minaj: “No, I don’t think we landed on the moon.”
Katie Miller: “You don’t?”
Nicki Minaj: “No.”
Nicki Minaj: “No, I don’t think we landed on the moon.”
Katie Miller: “You don’t?”
Nicki Minaj: “No.”
February 5, 2026 at 6:03 PM
Nothing disturbs me more than the glorification of stupidity.
— Carl Sagan
— Carl Sagan
Which modern-day popular science communicator do you prefer?
February 4, 2026 at 10:15 PM
Which modern-day popular science communicator do you prefer?
An intellectual who won’t challenge authority when it is wrong has already chosen a side.
February 4, 2026 at 5:15 PM
An intellectual who won’t challenge authority when it is wrong has already chosen a side.
“Is God willing to prevent evil, but not able? Then he is not omnipotent.
Is he able, but not willing? Then he is malevolent.
Is he both able and willing? Then whence cometh evil?
Is he neither able nor willing? Then why call him God?”
— The Epicurean Paradox
Is he able, but not willing? Then he is malevolent.
Is he both able and willing? Then whence cometh evil?
Is he neither able nor willing? Then why call him God?”
— The Epicurean Paradox
February 2, 2026 at 5:15 PM
“Is God willing to prevent evil, but not able? Then he is not omnipotent.
Is he able, but not willing? Then he is malevolent.
Is he both able and willing? Then whence cometh evil?
Is he neither able nor willing? Then why call him God?”
— The Epicurean Paradox
Is he able, but not willing? Then he is malevolent.
Is he both able and willing? Then whence cometh evil?
Is he neither able nor willing? Then why call him God?”
— The Epicurean Paradox
“The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.”
— Carl Sagan
— Carl Sagan
February 1, 2026 at 5:09 PM
“The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.”
— Carl Sagan
— Carl Sagan
"We are like butterflies who flutter for a day and think it is forever."
— Carl Sagan
— Carl Sagan
January 31, 2026 at 9:47 PM
"We are like butterflies who flutter for a day and think it is forever."
— Carl Sagan
— Carl Sagan
"If education doesn't teach you to resist injustice, it has failed."
— Modern Adage
— Modern Adage
January 31, 2026 at 8:11 PM
"If education doesn't teach you to resist injustice, it has failed."
— Modern Adage
— Modern Adage
"Widespread intellectual and moral docility may be convenient for leaders in the short term, but it is suicidal for nations in the long term."
— Carl Sagan
— Carl Sagan
January 30, 2026 at 9:28 PM
"Widespread intellectual and moral docility may be convenient for leaders in the short term, but it is suicidal for nations in the long term."
— Carl Sagan
— Carl Sagan
"A society that mocks virtue prepares its own collapse."
— Anonymous
— Anonymous
January 29, 2026 at 10:15 PM
"A society that mocks virtue prepares its own collapse."
— Anonymous
— Anonymous
"The more I think about language, the more it amazes me that people ever understand each other at all."
— Kurt Gödel
— Kurt Gödel
January 28, 2026 at 5:15 PM
"The more I think about language, the more it amazes me that people ever understand each other at all."
— Kurt Gödel
— Kurt Gödel
“We are, in the most profound sense, children of the Cosmos. Out of the common stuff of the universe, the stars have forged the elements of life. We are starstuff, which has taken its destiny into its own hands.”
— Carl Sagan
— Carl Sagan
January 27, 2026 at 7:50 PM
“We are, in the most profound sense, children of the Cosmos. Out of the common stuff of the universe, the stars have forged the elements of life. We are starstuff, which has taken its destiny into its own hands.”
— Carl Sagan
— Carl Sagan
“What a sad era when it is easier to smash an atom than a prejudice.”
— Albert Einstein
— Albert Einstein
January 26, 2026 at 7:40 PM
“What a sad era when it is easier to smash an atom than a prejudice.”
— Albert Einstein
— Albert Einstein
"The visions we offer our children shape the future. It matters what those visions are."
— Carl Sagan
— Carl Sagan
January 25, 2026 at 10:59 PM
"The visions we offer our children shape the future. It matters what those visions are."
— Carl Sagan
— Carl Sagan