In the Esoteric Religion known as Hermeticism, there are a number of core principles of operation, perhaps most famously the Principle of Correspondence. It’s often worded “As above, so below,” but this is only half of the principle.
In the second lecture in his “Secret Religions of the West” series, Lindsay explains that these “philosophies,” including Marxism, are actually mystical Esoteric cult religions posing as science, economics, and politics, and that their success in infiltrating our religions, societies, and institutions is down to their intrinsically parasitical nature.