It was narrated that Abu Sa'eed Al-Kudri said:
"A man asked the Messenger of about coitus interruptus. He said: 'Do you do that? If you do not do so, it will not harm; for there is no soul that (SWT) has decreed will exist but it will come into being.' " (FR)
English reference (FR): Vol. 3, Book 9, Hadith 1926 (FR)
Arabic reference (FR): Book 9, Hadith 2001 (FR)