I have sinned = I sinned. Confession of sin is the necessary condition for receiving the blessing. Compare 2Sa_12:13. Psa_32:5. Isa_6:5, Isa_6:6. Isa_5:8, &c. And so with Israel (Lev_26:40-42. Isa_64:6, Isa_64:7. Hos_5:15; Hos_14:1, Hos_14:2).
in thy sight. Same Greek words as "before thee" in Luk_15:18.
son. Note the Figure of speech Aposiopesis (App-6), for he did not finish what he meant to have said.