TSB 248.3
(Testimonies on Sexual Behavior, Adultery, and Divorce 248.3)
They have thought it was not so great a sin, but have lightly esteemed the breaking of the seventh commandment. This has been sufficient to remove the ark of God from the camp, if there were no other sins to cause the ark to be taken away and weaken Israel. (TSB 248.3) MC VC