And , "The thoughts behind the sin are worse than the sin itself." meaning- a person who thinks about sinning during the day and then acts with promiscuity at night, regarding this it is said,'And keep yourself from every evil thing' a person should watch himself during the day and keep himself from evil thoughts, even if he knows that the thought won't harm him at that moment, even so the thought may creep up on him during sleep and bring him to sin- as it is said: 