Verse 23

स्फुरति ब्रह्म सकलं सुखितादुःखिते कुतः ।ब्रह्म ब्रह्मणि संतृप्तं ब्रह्म ब्रह्मणि संस्थितम्

In plain words

The whole flashes forth as Brahman: whence, then, the happy one or the miserable one? Brahman is content in Brahman; Brahman abides in Brahman.