![](https://scienceblogs.de/mathlog/files/2012/06/cropped-228-headermathlog-e1347203750829.jpg)
Algebra is the offer made by the devil to the mathematician. The devil says: `I will give you this powerful machine, it will answer any question you like. All you need to do is give me your soul: give up geometry and you will have this marvellous machine.’ (Atiyah)
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