ויאסור יוסף מרכבתו ויעל לקראת ישראל אביו גשנה וירא אליו ויפול על צואריו
Rashi explains that neither did Yaakov Avinu fall upon Yosef’s neck, nor did he kiss him, because, at the time of their meeting, Yaakov was preoccupied with reciting Shema. Yosef was not. This leads up to the obvious question: Was it the time for reciting Krias Shema — or not? If it was not Krias Shema recital time, why did Yaakov find it necessary to choose this unique moment of their meeting to capitalize on Krias Shema? Could the meeting not have waited a few moments? The commentators grapple with this question, each offering his own insight into this seeming…
