Sahih Bukhari
Wedlock, Marriage (Nikaah)
Volume: 007 / Book Number: 062 / Hadith Number: 87
Narrated Abu Huraira:
The Prophet said, "A prophet among the prophets went for a military expedition and said to his people: "A man who has married a lady and wants to consummate his marriage with her and he has not done so yet, should not accompany me.' "