Imam Husayn (a.s.) said:
لِلسَّلامِ سَبْعُونَ حَسَنةٌ تِسْعٌ وَ سِتُّونَ لِلْمُبْتَدى وَ واحِدَةٌ لِلْرّادِّ
Salam (salutation) has 70 rewards, 69 parts of which are for one who salutes and one part of which is for one who returns the salutation.1
Among the salutations of various nations, ‘Salam’, the Islamic salutation and greeting, has a special luminosity, because it indicates both welcoming and peace, pleasure and friendship, and also a wish for peace from God for the other party. For this reason, salutation of the people of paradise is Salam, and angels of mercy receive the virtuous and good-doers with Salam. Unfortunately, some egoistic Muslims think that not saluting ( or not being the first to salute) reflects their high status and saluting reduces their rank. Thus they deprive themselves of the great reward mentioned in the above tradition especially for those who show humility by taking the initiative to salute first.