May 5:

May 5th. If the Christian is to "live unto God," he must "die unto sin." If he does not kill sin, sin will inevitably kill him. Recognizing this, he must set himself to reduce the number of his correspondences -- retaining and developing those which lead to a fuller life, unconditionally withdrawing those which in any way tend in an opposite direction. This stoppage of correspondences is a voluntary act, a crucifixion of the flesh, a suicide. Natural Law, Mortification, p.182.