Exodus 9:17 in the World English Bible
because you still exalt yourself against my people, that you won’t let them go.
Context
16 And in very deed for this cause have I raised thee up, for to shew in thee my power; and that my name may be declared throughout all the earth.
17 As yet exaltest thou thyself against my people, that thou wilt not let them go?
18 Behold, to morrow about this time I will cause it to rain a very grievous hail, such as hath not been in Egypt since the foundation thereof even until now.