darling = only one. Hebrew. yahid. See note on Deu_6:4. = my one own priceless possession; put by Figure of speech Metonymy (of Subject), App-6, for "my life", answering to "my soul" in the preceding line. Compare psuche. (Joh_12:27).
power. Hebrew hand, or paw. Put by Figure of speech Metonymy (of Cause), App-6, for the power exercised by it.