Hello, everybody. Welcome back to the show. My guest today is Will McCaskill. He's a philosopher,

ethicist, and one of the originators of the effective altruism movement. Humans understand that

long-term thinking is a good idea, that we need to provide a good place for future generations to

live. We try to leave the world better than when we arrive for this very reason. But what about

the world in 100,000 years? Or 8 billion? If there's trillions of human lives still to come,

how should that change the way we act right now? Expect to learn why we're living through a

particularly crucial time in the history of the future, the dangers of locking in any set of values,

how to avoid the future being ruled by a malevolent dictator, whether the world has too many or too

few people on it, how likely a global civilisation collapses, why technological stagnation is a death

sentence, and much more. I think that this is a very interesting conversation, considering the fact

that we might have a galaxy colonising civilisation on our hands, and the fact that we see things

mostly on human lifespan timelines, and the very most maybe 100 years out, we're not thinking about

the huge long-termism scales that Will's talking about here, and it's a very interesting philosophical

question. What sacrifices should we make in the moment for successes in the future? I really like it.

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