It is 791 CE, and the Abbasid Caliphate is at the height of its power, stretching from India to North Africa.

此时是公元 791 年，阿拔斯王朝正处鼎盛时期，从印度一直延伸到北非。

If you make a good argument, it has the power to outlive you, to stretch beyond your core, to reach those future minds.

如果你提出了一个好的论点， 它就会比你活得更久，超越你的核心， 触及那些未来的思想。

The people among whom Brother Bulstrode was distinguished were very few, but they were very near to him, and stirred his satisfaction the more; his power stretched through a narrow space, but he felt its effect the more intensely.

布尔斯特罗德弟兄出类拔萃的人很少，但他们离他很近，更能激起他的满足感；他的力量穿过狭窄的空间，但他感觉到它的效果更加强烈。