"Men and brothers, I can speak plainly to you concerning the patriarch David, because he not only died and was buried, but his tomb is among us even to this very day.

"Then he gave him a covenant of circumcision, and under this covenant he became the father of Isaac, whom he circumcised on the eighth day, and Isaac became the father of Jacob, and Jacob became the father of the twelve Patriarchs.

"The patriarchs out of jealousy sold Joseph into Egypt.