成唯識論述記 1.253

1.253

述曰：結非調之，童者，小也；竪者，奴也。如小奴等戲於沙土，雖甚劬勞，無實可錄。汝等所計實我亦爾。

The Commentary states: Concluding the refutation by mocking them: 'child' means small; 'servant-boy' means slave. It is like small slave-boys playing in sand and dirt: although it is very laborious, nothing real is achieved. The real self posited by you all is also like this.