That arithmetic is the basest of all mental activities is proved by the fact that it is the only one that can be accomplished by a machine.
Arthur Schopenhauer (2015). “Essays of Schopenhauer”, p.145, Sheba Blake Publishing
![That arithmetic is the basest of all mental activities is proved by the fact that it is the only one that can be accomplished by a machine.](http://cdn.quoteddaily.com/images/arthur-schopenhauer/that-arithmetic-is-the-basest-of-all-mental-activities-is-proved-by-the-fact-that-it-is-the-only-one.jpg)