ובצלאל בן אורי בן חור למטה יהודה עשה את כל אשר צוה ד' את משה
Betzalel ben Uri ben Chur of the tribe of Yehudah, did everything as Hashem commanded Moshe. (38:22)
In a well-known exposition, Sforno comments that, in addition to Betzalel, all the men who occupied themselves with the construction of the Mishkan were men of stature, sincerity and piety. This is in contrast to the workmen who built the First and Second Batei Mikdash; those work forces included people from various strata of society. Basically, they did not possess the appropriate spiritual and moral characteristics that would have imbued the project with eternal values. Furthermore, the First Bais Hamikdash built under the leadership of Shlomo Hamelech, was not the same as the Mishkan, built by Moshe Rabbeinu. They were…