One, read Spurgeon. If you haven't already read Spurgeon, he's a kindred spirit for you. There are a few books out right now that have brought together Spurgeon's observations about his own depression, and he uses almost the very words that you use. He talks about his own causeless depression. He says, "You might as well fight with the wind, "as try to fight against something that seems to have "no rhyme or reason to it." He goes on and says, "It demands a heavenly hand "to open this iron bolt, "and that it somehow brings the light in." So, know some of your kindred spirits, and Spurgeon would be one of them.
The second, how does this sound? There are all kinds of things every single day that we do not know. There are mysteries galore in life. And in the midst of that, and what we anticipate, is there is plenty that we do know. So, what do you know? For example, in the Book of John, John is so eager to encourage us to trust in Jesus, and he says this at one point. "Your work is to believe "in the one who the father has sent." That's your work, that your job. You know those things, of course, but what would it be like to speak them? What do you actually believe? Who do you actually believe in? Speak it. Speak it out loud to another person. Speak it out loud to the Lord. What else do you know, that if he has called you to himself today, he's called you to be an ambassador to others and you know that at least that means you're looking for one person, perhaps who you can encourage, one person who you can pray for, one person who you can love in the name of Jesus. There's so many things we don't know. But in the midst of it all, there are the most important things that we do know.