Ibn 'Umar narrated that the Messenger of Allah (s.a.w) said:
'Indeed the disbeliever's tongue will be stretched a Farsakh or two Farsakh, such that the people will walk upon it." (RU)
English reference (RU): Vol. 4, Book 13, Hadith 2580 (RU)
Arabic reference (RU): Book 39, Hadith 2781 (RU)