THEOSISCyrill of Alexandria
In addition to these matters, it is stated that any vessel touched by ‘he who pours out seed’ becomes loathsome and repugnant, regardless of whether he washes his hands, rendering it unclean. If anyone touches his body, that person incurs the guilt of impurity as well; similarly, if those who are clean come near him, they too will bear the guilt of uncleanness. Therefore, he went out with the lepers, distancing himself from the camp, being unreachable to all, and maintaining no connection, not even through touch, with those who encountered him. The law mandated that we keep our distance from those who pour out seed, directing us to particularly avoid those who lean towards wickedness, and to boldly reject those whom God would itself reject due to their constant state of impurity.
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For associating with wicked individuals is indeed a dangerous affair. As it is written, ‘He that toucheth the pitch shall be defiled’ (Sir. 13:1). He who pours out seed contaminates everything he touches: his bed, his body, his bowls, the water, and wooden vessels. This profound truth reveals that those who share his spiritual condition will also experience his innate impurity. For it is also written, ‘Keep thyself pure, and be not partaker of another man's sin’ (1 Tim. 5:22).