'It is Written' in the Bible

For all who rely on doing the works of the law are under a curse, because it is written, "Cursed is everyone who does not keep on doing everything written in the book of the law."

Christ redeemed us from the curse of the law by becoming a curse for us (because it is written, "Cursed is everyone who hangs on a tree")

For it is written that Abraham had two sons, one by the slave woman and the other by the free woman.

For it is written: "Rejoice, O barren woman who does not bear children; break forth and shout, you who have no birth pains, because the children of the desolate woman are more numerous than those of the woman who has a husband."