Mulla Husayn describes the effect on him of his first meeting with the Bab

I felt possessed of such courage and power that were the world, all its peoples and its potentates, to rise against me, I would, alone and undaunted, withstand their onslaught. The universe seemed but a handful of dust in my grasp. I seemed to be the Voice of Gabriel personified, calling unto all mankind: "Awake, for, lo! the morning Light has broken. Arise, for His Cause is made manifest. The portal of His grace is open wide; enter therein, O peoples of the world! For He who is your promised One is come!" (The Dawn-Breakers, Nabil's Narrative of the Early Days of the Bahá'í Revelation,; translated and edited by Shoghi Effendi p.65)