The possuk says about Yaakov, “ויבן לו בית ולמקנהו עשה סוכות”
Chassidus explains that לו – for himself (i.e. his neshama), Yaakov built בית – permanent structures.
למקנהו – for his physical needs, he made סוכות, temporary dwellings, since everything in this world is only temporary.
(ראה לקוטי שיחות ח”א ע’ 68)