There are times when much depends on clear communication. The Netziv (Naftali Zvi Yehuda Berlin, 1816–1893, dean of the yeshiva in Volozhin) made the astute observation that Isaac and Rebecca seem to suffer from a lack of communication. He noted that Rebecca’s “relationship with Isaac was not the same as that between Sarah and Abraham or Rachel and Jacob. When they had a problem, they were not afraid to speak about it. Not so with Rebecca.” (Ha’amek Davar to Gen. 24:64) The Netziv senses this distance from the very first moment Rebecca sees Isaac, as he is “meditating in the...