English: “And they built store-cities (arei miskenos)” — Rav and Shmuel disagree. One said they endanger their owners; the other said they impoverish their owners, for a Master said: Whoever engages in building becomes impoverished.
On the daf / in context: See the cited source for the full section.
Type of Learning
Custom — dual reading of miskenos.
What Is Learned
The very cities built to secure Egypt already contained the seeds of danger or impoverishment for their builders.