Cyrill of Alexandria
In addition to these matters, it is stated that any vessel touched by "he who pours out seed... pouring out seed" will be regarded as abominable and repulsive, regardless of whether he cleanses his hands with water, resulting in its defilement. Furthermore, anyone who comes into contact with his body becomes guilty of uncleanness; likewise, even those who themselves are clean will incur guilt if they approach him. Thus, he, together with the lepers, distanced himself from the camp, remaining inaccessible to all and avoiding any fellowship, for even the touch of his hand could defile those he encountered.
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The law instructed us to keep our distance from the one who pours out seed, emphasizing the need to separate ourselves from those inclined toward wickedness and to firmly reject those whom God Himself would find abominable, as they are continually tainted. It is a serious matter to associate with immoral individuals. It is indeed written, "He that toucheth the pitch shall be defiled" (Sir. 13:1). The one who pours out seed contaminates everything he touches, including his bed, his body, bowls, water, and wooden vessels. This mystical principle illustrates that anyone spiritually nearby will share in his inherent uncleanness. Scripture also reminds us, "Keep thyself pure, and be not partaker of another man's sin" (1 Tim. 5:22).