Soft Hearts

So I was reading today in Exodus 9 about the plagues of the livestock. Moses warned Pharoah that if he would not let them go, only the Egyptian livestock would be sick, not the Israelite livestock. And that's just what happened:

Ex 9:1-7

9:1 Then the LORD said to Moses, "Go to Pharaoh and say to him, 'This is what the LORD, the God of the Hebrews, says: "Let my people go, so that they may worship me." 2 If you refuse to let them go and continue to hold them back, 3 the hand of the LORD will bring a terrible plague on your livestock in the field — on your horses and donkeys and camels and on your cattle and sheep and goats. 4 But the LORD will make a distinction between the livestock of Israel and that of Egypt, so that no animal belonging to the Israelites will die.'"

5 The LORD set a time and said, "Tomorrow the LORD will do this in the land." 6 And the next day the LORD did it: All the livestock of the Egyptians died, but not one animal belonging to the Israelites died. 7 Pharaoh sent men to investigate and found that not even one of the animals of the Israelites had died. Yet his heart was unyielding and he would not let the people go.

NIV

It amazes me that Pharaoh SENT MEN to investigate, and found that it was true, yet still his heart was unyielding. It made me think: how often is my heart like that. God says He will do something, I see the evidence, and yet I don't open my heart. Well, I might open it for awhile but then the next time the trial comes, I forget that God did exactly what He said He would do! I want a soft heart, a yielding heart. May I fully and completely believe God!