Musnad Ahmad 26:465

Yahya ibn Abi Bukayr narrated to us, Isra'il narrated to us, from Abu Hasin, from Yahya ibn Wathab, from Masruq, who said: Abdullah narrated to us one day and said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "He trembled until his garments trembled, then he said: 'Like this, or similar to this.'"