Riyad as-Salihin, Book 16, Hadith 1432 (In-Book) ⓘ

Abu Dharr (May Allah be pleased with him) reported: The Messenger of Allah said, "Every morning charity is due from every joint bone of the body of every one of you. Every utterance of Allah's Glorification (i.e., Subhan-Allah) is an act of charity, and every utterance of praise of Him (i.e., Al-hamdu lillah) is an act of charity, and every utterance of profession of Faith (i.e., La ilaha illallah) is an act of charity, and every utterance of His Greatness (i.e., Allahu Akbar) is an act of charity; and enjoining good is an act of charity and forbidding what is disreputable is an act of charity; and two Rak'ah prayer which one offers in the forenoon (Ad- Duha) will suffice for all this."[Muslim].

وعن أبي ذر رضي الله عنه أن رسول الله صلى الله عليه وسلم قال‏:‏ “يصبح على كل سلامى من أحدكم صدقة‏:‏ فكل تسبيحة صدقة، وكل تحميدة صدقة، وكل تهليلة صدقة، وكل تكبيرة صدقة، وأمر بالمعروف صدقة، ونهي عن المنكر صدقة، ويجزي من ذلك ركعتان يركعهما من الضحى‏"‏ ‏(‏‏(‏رواه مسلم‏)‏‏)‏‏.‏