Silsilat al-Ahadith al-Sahihah

Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: "Whoever adheres to the Shari'ah after me will enter Paradise, and after him, whoever adopts the Shari'ah, and after him, the man of the third generation, and after him, the man of the fourth generation—all will enter Paradise."