Sahih Bukhari
Beginning of Creation
Volume: 004 / Book Number: 054 / Hadith Number: 508
Narrated 'Aisha:
The Prophet said, "While the angels talk amidst the clouds about things that are going to happen on earth, the devils hear a word of what they say and pour it in the ears of a soothsayer as one pours something in a bottle, and they add one hundred lies to that (one word)."