And the heart of Pharaoh was hardened... Exodus 9:7
"God speaks to men through His servants,
---giving cautions and
warnings,
---and rebuking sin.
b) but
if one refuses to be corrected,
c) divine power does not interpose to
counteract the tendency of his own action.
a) He finds it more
easy to repeat the same course.
b) He is hardening the heart against
the influence of the Holy Spirit.
c) A further rejection of light places
him where a far stronger influence will be ineffectual to make an
abiding impression." E.G.W.