Cain did not obtain Abel's birthright and blessings, though he killed him for that purpose; the blessings which belonged to Abel, descended to his posterity; and until the blessings of Abel's birthright are fully received, secured, and realized, by his (Abel's) descendants, Cain and his posterity must wear the mark which God put upon them; and his white friends may wash the race of Cain with fuller's soap every day, they cannot wash away God's mark;