Science is a way to not fool ourselves.
Carl SaganRead
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
Interpretation
The brain functions similarly to a muscle; engaging it brings satisfaction and joy.
In this quote, Carl Sagan compares the brain to a muscle to illustrate the importance of mental activity and the pleasure that comes from understanding. Just as physical exercise benefits the body, cognitive engagement is essential for mental well-being, leading to feelings of happiness and fulfillment.
In practice
During a talk about cognitive health, mentioning this quote can inspire listeners to engage their minds more.
Science is a way to not fool ourselves.
In more than one respect, the exploring of the Solar System and homesteading other worlds constitutes the beginning, much more than the end, of history.
How smart does a chimpanzee have to be before killing him constitutes murder?
The hole in the ozone layer is a kind of skywriting. At first it seemed to spell out our continuing complacency before a witch's brew of deadly perils. But perhaps it really tells of a newfound talent to work together to protect the global environment.
There is a reward structure in science that is very interesting: Our highest honors go to those who disprove the findings of the most revered among us. So Einstein is revered not just because he made so many fundamental contributions to science, but because he found an imperfection in the fundamental contribution of Isaac Newton.
The simplest thought, like the concept of the number one, has an elaborate logical underpinning.
An open mind leaves a chance for someone to drop a worthwhile thought in it.
Therefore trust to thy heart, and to what the world calls illusions.
Often have I sighed to measure By myself a lonely pleasure,- Sighed to think I read a book, Only read, perhaps, by me.
I like old men. They can be wonderful bastards because they have nothing to lose. The only people who can be themselves are babies and old bastards.
I believe that thrift is essential to well-ordered living.
Some time ago," he said, "--how long it seems! -- I remember saying to a young friend of mine of the name of Spiller, 'Comrade Spiller, never confuse the unusual with the impossible.' It is my guiding rule in life.
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