136. Saying ‘I don’t know’ is half of knowledge. Leave a Comment / Knowledge / By technorthstar3@gmail.com 136. Saying ‘I don’t know’ is half of knowledge. 136 فَضيلَةُ الْعِلْمِ العَمَلُ بِهِ. Share on Whatsapp Bookmark (0) Please login to bookmark Close Username or Email Address Password Remember Me No account yet? Register