He who knows this, (recognises and worships Brahman) as possession in speech, as acquisition and possession in up-breathing (prana) and down-breathing (apana); as action in the hands; as walking in the feet; as voiding in the anus. These are the human recognitions (of Brahman as manifested in human actions). Next follow the recognitions (of Brahman) with reference to the Devas, viz. as satisfaction in rain; as power in lightning;

In plain words: A wise person sees Brahman in the everyday workings of the body: in speech, in breathing in and out, in the hands that work, the feet that walk and even in the body letting go of waste. In nature, Brahman can be seen as the comfort of rain and the power of lightning.