Hadith.3755 - It is narrated: "Whoever remembers Allah سبحانه وتعالى, the Mighty and Exalted, in the marketplaces, Allah سبحانه وتعالى will forgive him in proportion to the number of those in it, both those who speak and those who do not."
And the speaking refers to those who talk, while the silent refers to those who do not speak.
