'Staff' in the Bible

The LORD of the Heavenly Armies will brandish a whip against them, as when he struck Midian at the rock of Oreb; and as his staff was stretched out over the sea, so he will lift it up as he did in Egypt.

The LORD has broken the staff of the wicked, the scepter of rulers,

Take note: you're relying on Egypt, that splintered reed of a staff, which pierces the palm of anyone who leans on it. This is what Pharaoh king of Egypt is like to everybody who depends on him!