When billionaire Musk isn't busy running two companies that are trying to transform how we drive and turn humans into a multi-planet species, he's not researching the secret to immortality.
"I am not aware of any secret technology to combat aging," Musk said during an interview this week at the Wall Street Journal's CEO Council Summit.
Even if humans could live much longer, Musk said it wouldn't be a good thing for society.
He said that it is important for us to die because most of the time people don't change their minds. "If you live forever, we might become a very ossified society where new ideas can't succeed."
The idea that people don't change their minds even when presented with evidence to the contrary has been proven time and time again. Musk argued that if people were to live longer or become immortal, it could have a negative effect on society, where ideas don't evolve as much as they should.
During the WSJ conference, Musk spoke about the impact of aging populations on everyone else and advocated for age limits on public office.
He said he was not poking fun at aging. "We have people in very important positions that have to make decisions that are critical to the security of the country, then they need to have sufficient presence of mind and cognitive ability to make those decisions well." The whole country depends on them.
The current US president was born during World War II. The last president of the United States was 74 years old.
Both men are over the age of 70, so Musk thinks they wouldn't have been able to hold office.
The full interview with Musk can be seen here.
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