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To colour all empires black and to disavow all imperial legacies is to reject most of human culture. Imperial elites used the profits of conquest to finance not only armies and forts but also philosophy, art, justice and charity. A significant proportion of humanity’s cultural achievements owe their existence to the exploitation of conquered populations.

Sapiens

Yuval Noah Harari

On 15 September 1830, the first commercial railway line was opened, connecting Liverpool with Manchester. The trains moved under the same steam power that had previously pumped water and moved textile looms. A mere twenty years later, Britain had tens of thousands of miles of railway tracks.1 Henceforth, people became obsessed with the idea that machines and engines could be used to convert one type of energy into another. Any type of energy, anywhere in the world, might be harnessed to whatever need we had, if we could just invent the right machine. For example, when physicists realised that an immense amount of energy is stored within atoms, they immediately started thinking about how this energy could be released and used to make electricity, power submarines and annihilate cities. Six hundred years passed between the moment Chinese alchemists discovered gunpowder and the moment Turkish cannon pulverised the walls of Constantinople. Only forty years passed between the moment Einstein determined that any kind of mass could be converted into energy – that’s what E = mc2 means – and the moment atom bombs obliterated Hiroshima and Nagasaki and nuclear power stations mushroomed all over the globe.

Sapiens

Yuval Noah Harari

Saving a species of bird or insect is no different from saving humankind. ‘All lives are equal’ is the basic tenet of Pan-Species Communism.” “What?” Ye wasn’t sure she had heard the last term correctly. “Pan-Species Communism. It’s an ideology I invented. Or maybe you can call it a faith. Its core belief is that all species on Earth are created equal.” “That is an impractical ideal. Our crops are also living species. If humans are to survive, that kind of equality is impossible.” “Slave owners must also have thought that about their slaves in the distant past. And don’t forget technology—there will be a day when humanity can manufacture food. We should lay down the ideological and theoretical foundation long before that. Indeed, Pan-Species Communism is a natural continuation of the Universal Declaration of Human Rights. The French Revolution was two hundred years ago, and we haven’t even taken a step beyond that. From this we can see the hypocrisy and selfishness of the human race.” “How long do you intend to stay here?” “I don’t know. I’m prepared to devote my life to the task. The feeling is beautiful. Of course, I don’t expect you to understand.”

The Three-Body Problem

Cixin Liu and Ken Liu

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