One Friday in Damascus when the congregation in the cathedral mosque, accustomed to listen to the curse on Ali bin Abu Talib and his family, requested Zayn al-Abidin to address them. Taking Yazid's permission, the Imam delivered a sermon thus:- "O people! beware of the temptation of the world which is transitory. The nations of antiquity who were stronger than you and lived longer are no more. Do you think you will live for ever? Certainly not, so try to live a virtuous life before you are removed from your house to the grave and reduced to dust. Remember, you will have to stand before God to give an account of your deeds. Woe to the wicked whose disappointment will know no bound. Woe to the proud tyrant whose repentance will then be of no avail. O people! listen I am the offspring of him on whom God showered His blessings, whom God appointed as intercessor, bestowing on him kauthar and power of showing miracles; praiseworthy, and generous sayeds, true to his words - the great Apostle of God, whose son Hussain my father, has been massacred at Karbala with inhuman atrocities and on whom angels are shedding tears. Verily, it is God's trial." The congregation was moved - some heaved sighs, some wept when suddenly Yazid beckoned the muazzin to call for the prayers.