Aishah narrated:
"The Prophet looked at the moon and he said: 'O Aishah! Do you seek refuge with Allah from the evil of this? For indeed this is Al-Ghasiqu Idha Waqab (The darkened one as it darkens).'" (RU)
English reference (RU): Vol. 5, Book 44, Hadith 3366 (RU)
Arabic reference (RU): Book 47, Hadith 3692 (RU)