Complaining about life and seeking justice for genuine wrongs are two different things.
But that’s not what this is about. This is about the daily complaints that I mutter—that many of us mutter—in the regularity of our lives. I’m not trying to make myself or anyone else feel guilty about “first-world problems,” because most of us reading this will never face starvation or genocide. But what we will face is our own lives, and how we respond to our own lives matters to God, because it is the only life we can live.
Read more at Relevant Magazine’s article, Complaining is a Spiritual Problem