Therefore. not so (with Septuagint) This is emphasized by the Hebrew accent (Pasha).
upon. set. sign for Cain, i.e. gave him. pledge; same word as Genesis 1:14; Genesis 9:12; Genesis 9:13; Genesis 9:17 (token). See also Exodus 4:8; Exodus 4:9; Exodus 4:17; Exodus 4:28; Exodus 4:30; Exodus 12:13.Ezekiel 20:12.