And Onan knew that the offspring would not be his. And it came to be, when he went in to his brother’s wife, that he spilled on the ground, lest he should give an offspring to his brother.
“And your seed would have been like the sand, and the offspring of your inward parts like the grains of sand. His name would not have been cut off nor destroyed from before Me.
“And it shall be in that day,” declares יהוה of hosts, “that I cut off the names of the idols from the earth, and they shall be remembered no more, and I shall also remove the prophets and the unclean spirit from the earth.
And you said, “Why?” Because יהוה has been witness between you and the wife of your youth, against whom you have acted treacherously, though she is your companion and the wife of your covenant.