9. Foolishness is the most harmful companion. Leave a Comment / Foolishness / By technorthstar3@gmail.com 9. Foolishness is the most harmful companion. 9 الْحُمْقُ أضَرُّ الأصْحابِ. Share on Whatsapp Bookmark (0) Please login to bookmark Close Username or Email Address Password Remember Me No account yet? Register