If you don't accumulate, you go around the same place.
The parable of the spiral staircase.
Parable of the Spiral Staircase
---
This page is auto-translated from /nishio/蓄積しないと同じ場所を回る. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.