Sunan at-Tirmidhi (Jami-al-Tirmidhi), Chapter: Salah (Prayers)

that when Allah's Messenger (SAW) stood up for salah in the night, he would call out the takbir (Allahu Akbar). Then, he would say: "O Allah! You are without blemish, and with your praise. Your name is Blessed and your Glory is exalted. And there is no God besides you." Then, he would say, "Allah is the Greatest. The Greatest, indeed."Then, he said: "I seek refuge in Allah, the All-Hearing, the All-Knowing from the rejected devil from his goading, blowing his breath and his spittle (to cause evil)." [Ahmed 11657, Abu Dawud 775, Nisai 895, Ibn e Majah 804]