abu huraira رضي الله عنه reported: messenger of(الله) allah(صلي الله عليه و سلم) said:< should i not direct you to something by which allahالله obliterates the sins and elevates (your) ranks.> they said:< yes o messenger of allahالله> he said ,<performing wudu( ablution) properly, even in difficulty, frequently going to the mosque, and waiting eagerly for the next salat (prayer) after a salat is over, indeed that is ar-ribat(الرباط ).