Human beings used stone chips for more than two million years, but human life changed very little in that time.

人类使用石屑超过二百万年，但在那段时间里，人类的生活几乎没有改变。

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Human behaviors are often explained as hard-wired evolutionary leftovers of life on the savannah or during the Stone Age.

人类的行为通常被解释为热带大草原上或者石器时代的生命在进化中的固定的伴随产物。

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And so--like the chainlet--it takes that stone-like distillation of life, turning rain to stone, turning life to the representation by your tormentor.

就像那条链子，它提取了,生命中如磐石般不朽的精华，将雨水变成石头，将生命变成,折磨你的人笔下的画像。

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It's just the way it goes in the rolling stone life of boxing.

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For all the progress humankind has made in the last century, when it comes to assessing risk, we go about our business with thinking apparatus still largely custom-made for Stone Age life on the African savannah.

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With those sparks, any adversity or affliction is another stepping-stone to a better life.

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