John Trapp on Amos 3:15

Verſe 15. And I will ſmite the winter-houſe with the ſummer-houſe] Heb. upon the ſummer-houſe, I will lay them both upon one heape: they ſhall one daſh againſt the other. To have change of houſes or of roomes in one houſe fit for the ſeverall ſeaſons is not unlawful, ſo we ſet them not up by wrong-dealing, nor ſet our hearts upon them:Haec ſunt quae nos invitos faciunt mori. for ſo we are apt to do (as Charles 5. Emp. told the Duke of Venice who had ſhewed him his ſtately palace) and this brings a curſe.

and the houſes of Jvory] i. e. decked and enameled, checkered and entrayled with Jvory,Eboratas. Lively. as ſome ſenſe it. Ahab had made him an Jvory houſe. Heb. an houſe of tooth, i. e. of Elephants-tooth: ſo did other kings (likely) after him. The Porphyrogenity in Conſtantinople were borne in a room made of Porphyry, a precious ſtone &c. All muſt down together.