Proverb - When the devil cannot come, he will send

When the devil cannot come, he will send:

The implication is that the devil is very persistent. He will always find a way to tempt us. If the devil cannot bring temptation to us himself, he will find someone else to bring it.

Proverb - He who sups with the devil should have a long spoon

He who sups with the devil should have a long spoon:

If you eat with the devil, you need a (very) long spoon so that you can keep your distance. If you mix with bad people, you should be careful not to be influenced by them. A warning not to get too close when dealing with evil people.