"Not allow" means to refuse permission or stop something from happening. It can describe rules, people, or systems that block actions, entry, or use.
God does not allow a trial unless something good comes out of it... God allows everything for our good. Paisios of Mount Athos
Be sure to guard in your heart the joy of the Holy Spirit, and do not allow the evil one to pour out his bitterness. Beware! Beware, lest the Paradise that exists in you turns into Hell. Nectarios of Aegina
Guard your mind from self-praise and flee a high opinion of yourself, so that God does not allow you to fall into the opposite passion to the virtue for which you boast, for man does not accomplish virtue alone, but with the help of God who sees all. Marcus Eremita
Do not allow sins to get beyond creeping. Hawaiian Proverb
Do not allow the Gypsies to lure you out behind the furnace. Lower Austria Proverb
The fowl perspires, but the feathers do not allow us to see the perspiration. Nigerian Proverb