Just remember that as the same fire that melts the butter also hardens the egg, so too does the same fire that melts the wax also hardens the clay.
HandyDandy: "Just remember that as the same fire that melts the butter also hardens the egg, so too does the same fire that melts the wax also hardens the clay."
Touche.
And thanks for the reminder since, despite jeffersondem's witticism, fire itself does not harden steel.
Fire/heat softens steel, what can make it harder is the method & time used to cool it back down.