The Messenger of Allaah (peace and blessings of Allaah be upon him): �Whoever believes in Allaah and the Last Day, let him say something good or else let him keep silent.� (Narrated by al-Bukhaari, hadeeth 6135)

Sister Al-Munaqabah posted somthing similar with many wonderful explanations and comments by scholors. Insha'Allah check it out HERE