In Shemone Esray (Amidah), we acknowledge Hashem’s mastery over everything in the world. Even in the middle brachos (blessings) where we make requests, we first mention that Hashem is the boss of everything. Therefore, each of the 19 blessings proclaims G-d’s power. (GRA – Vilna Gaon)
4. Be kind to yourself. Speaking badly even about yourself is unethical.
הלכות שמירת הלשון 