We will never know God's character all the way. Damn I dont think we'll even get close. 
Everyone talks so much about the characters of God. Especially the character love. 
What they say is true. But why do we get so lost in His amazing love and never really pay attention to His wrath (which sometimes might seem unreasonable just because we never see the whole picture). 
Merciful, Loving, forgiving, generous. We can't just study, name, and teach everyone who God is. Because we don't know nothing even close to his greatness. 
I'm not saying that we shouldn't try. 
The Lord examines the righteous, but the wicked and those who love violence His soul hates. On the wicked He will rain fiery coals and burning sulfur, a scorching wind. 
Psalm 11:5-6