They were both convinced that science was the way to save humanity.

他们两人都相信，科学是拯救人类的途径。

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We must begin with the young Afghan girl, recognizing that saving that one life is to save humanity itself.

我们必须从阿富汗的小女孩开始，认识到拯救一个生命就是拯救人类自己。

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He sacrificed himself to save humanity, so people call him the "Bodhisattva of Medicine", and people forever commemorate him through this story.

他是为了拯救人们而牺牲的，人们称他为“药王菩萨”，人间以这个神话故事永远地纪念他。

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So all this new wealth is justifiable--because it's going to save humanity?

FORBES: The Moral Limits of Wealth

Aliens are still transforming humans into hideous necromorphs (zombie-like creatures made from different body parts) and it is up to Isaac to save humanity from a fate worse than death.

CNN: Horror journeys into the mind in 'Dead Space 3'

It's a simple story: war has wrought a nuclear winter that threatens to wipe out all life on Earth, and the spaceship is sent in search of a "cosmo cleaner" to save humanity.

CNN: The War Mangas