John Piper:

God is never irritable or edgy.

He is never fatigued or depressed or blue or moody or stressed out.

His anger never has a short fuse.

He is not easily annoyed.

He is above any possibility of being touchy or cranky or temperamental.

Instead he is infinitely energetic with absolutely unbounded and unending enthusiasm for the fulfillment of his delights.

This is hard for us to comprehend, because we have to sleep every day just to cope, not to mention thrive.

We go up and down in our enjoyments.

We get bored and discouraged one day and feel hopeful and excited another.

We are like little geysers that gurgle and sputter and pop erratically.

But God is like a great Niagara—you look at it and think: surely this can’t keep going at this force for year after year after year. It seems like it would have to rest. Or it seems like some place up stream it would run dry. But, no, it just keeps surging and crashing and making honeymooners happy century after century.

That’s the way God is about doing us good. He never grows weary of it. It never gets boring to him.

Let those who desire my vindication shout for joy and be glad, and say evermore, “Great is the LORD, who delights in the welfare of his servant!” (Psalm 35:27)

—John Piper, The Pleasures of God: Meditations on God’s Delight in Being God, rev. ed. (Sisters, OR: Multnomah, 2000), 185.