*It is of the Sunnah that one congratulates his fellow Muslim brother if he receives good news.
*It is also good to greet one's Muslim brother when they are sick. The Prophet () visited Umm al-A'laa (). She said: 'The Prophet () visited me when I was sick, and he said:
'Rejoice O Umm al-A'laa, for indeed the sickness of a Muslim will efface their sins, just as fire rids gold and silver of its impurities.'(As-Silsilah as-Saheehah) *The student of knowledge should be congratulated, as is mentioned in the narration of ad-Darimi, may Allah have mercy on him. A'sim b. Zurr b. Hubaish said that Safyaan b. As'saal al-Muraari said to him: 'What has brought you here?' He said: 'I want to seek knowledge.' He said: 'Shall I not inform you of something that will make you rejoice?' He said: 'Yes.' He informed him that the Prophet () said:
