Sovereignty of God

The sovereignty of God has been on my heart a lot lately. Having grown up in a Christian home, and going to a Christian school, means that I've heard that term quite a bit. But, what exactly does it mean that God is sovereign? I like John Piper's definition, "God has the right and power to do whatever makes him happy." If you asked me a year ago if I agreed with that, I would have quickly agreed. When I married the man of my dreams 12 years ago, I praised God for what a blessing he was to me. Two years later when we had our first baby, we gave him a name that means "happy, blessed" because we know without a doubt that children are a blessing from the LORD! And, each time I gave birth to another healthy baby, I praised Him, knowing that every good gift is from Him.
What about in the tough times? Do I praise Him when difficulties come? At some point I underlined a verse in my Bible, "Shall we accept good from God, and not trouble?" (Job 2:10b) I think that was the the verse that got me thinking about the sovereignty of God on a deeper level. It made me wonder, "Does that mean that trouble actually comes from God?" It sounds terrible to say, but I believe it is true, and I have found it repeated over and over in His Word.

Exodus 4:11 "Who gave man his mouth? Who makes him deaf or mute? Who gives him sight or makes him blind? Is it not I, the LORD?"
Deuteronomy 32:39 "I put to death and I bring to life, I have wounded and I will heal."
I Samuel 2:6-7 "The LORD brings death and makes alive; he brings down to the grave and raises up. The LORD sends poverty and wealth; he humbles and he exalts."
Psalm 115:3 "Our God is in heaven; he does whatever pleases him."
Proverbs 19:21 "Many are the plans in a man's heart, but it is the LORD's purpose that prevails."
Lamentations 3:38 "Is it not from the mouth of the Most High that both calamities and good things come?"

These are just a few of the verses I found scattered throughout the Bible that prove that God is sovereign over good and bad. He is sovereign over kings and weather. He is sovereign when I give birth to a healthy baby and when I lose one before I ever have a moment to hold them. He is sovereign when my husband is bringing home a decent paycheck and when we don't know how we are going to pay bills next month. I cannot accept good from God and not bad.

The LORD gave and the LORD has taken away; may the name of the LORD be praised. Job 1:21