Hi Michael Chui,
Well to play the devil's advocate, I could argue that spaceflight and any major accomplishment we do achieve is only important within the context of the human species. How does space flight or the invention of the lightbulb benefit other animal species? Sure, if we took care of them using our better technology they would be more comfortable, but at some point we run into the question, "Who are we to judge what's better for other animals?" (most animals are treated like crap these days so I doubt this will be a question we'll ask anytime soon anyway)
That's one of the points I've been trying to get at. Sure, we can advance, advance, advance, and it all makes sense within the context of our own species. But what happens when we step beyond our species? Do the same glorious inventions and discoveries still have the same merit?
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