Moshe Kahlon

My brother Kobi made my mother very proud when he was elected deputy mayor of Jerusalem. My sister made her proud when she got an advanced university degree, finishing cum laude, and I could not have given my mother a better present than having her come to the Knesset to witness my swearing-in as a minister.

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.