In dark weather the devil is in the air.
More Walloon Proverbs:
Three hairs are quickly combed.Walloon
Beauty is not so much what you see as what you dream.
Walloon
Fat geese don't fly far.
Walloon
The best ointment comes in small boxes.
Walloon
The tail is always the most difficult part to skin.
Walloon
A tree falls the way it leans.
Walloon