Abu Salt al-Harawi reports that he visited Imam ‘Ali al-Ridha (a) on the Last Friday of the Month of Sha’bān. The Imam (a) said to him, “O Aba Salt, the greater part of the month of Sha’bān has elapsed. Try to make up for the neglect of the past days of this month by compensating in what remains of it. Devote yourself to what is beneficial 
for you. Supplicate a lot and plead for forgiveness. Recite the Holy Qur’an as much as you can and repent for your sins so that when the Blessed month of Ramadhan sets in, you will have purified yourself. Fear Allah and trust Him in everything. Let there remain no unpaid debt you owe anybody and no ill-feeling left in your heart against anyone ... Fear Allah and put your trust in Him …