Narrated `Uqba: The Prophet said: "The stipulations most entitled to be abided by are those with which you are given the right to enjoy the (women's) private parts (i.e. the stipulations of the marriage contract).
Hadith ReferenceSahih Bukhari / The Book of (The Wedlock) / Hadith: 5151
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة