A chapter translated into English excerpted from the Book "Al-Adhkar" of Imam Nawawi. This chapter is concerned with mentioning the recommended speeches as prayers, supplication, etc. and the forbidden ones as backbiting, gossiping, and slander, based on the Quranic and Prophetic tradition that command guarding the tongue from evil speech. This chapter was checked and verified by Sh. Salim al-Hilaali. In his verification, he provides a grade for each hadeeth and a discussion about the related hadith’s authenticity or weakness.