◆天壌無窮 Tenjou-mukyuu.
- 解釈：天地とともに永遠に極まりなく続くさま。「天壌」は天と地。「無窮」は極まりないさま、永遠の意。
- Literal：Heaven and Earth, there is no ultimate.
- Interpretation：As eternal as heaven and earth. It is continuing forever with Heaven and Earth. The universe continues infinitely.
- 類義：天長地久。