ועשית את הקרשים למשכן עצי שטים עמדים
Rashi teaches that the word ha’kerashim, with the hay ha’yediah, (the beams) with the definite article hay, is written by design. The Torah is alluding to specific shittim wood that was “standing” – designated for the unique purpose of serving as the walls of the Mishkan. Yaakov Avinu took along with him saplings from the shittim trees planted by Avraham Avinu in his eishel, travelers’ welcome house, where he performed his famous acts of chesed, kindness. Yaakov then replanted these saplings in Egypt and commanded his children that, upon leaving the country, they were to take these trees along. He…