Ahmed bin Suliaman أحمد بن سليمان · The Book of Marriage

"Umar bin Al-Khattab said: 'Do not go to extremes with regard to the dowries of women, for if that were a sign of honor and dignity in this world, or a sign of piety before Allah, the Mighty and Sublime, then Muhammad would have done that before you. But he did not give any of his wives, and none of his daughters were given, more than twelve Uqiyyah. A man may increase the dowry until he feels resentment against her…