They could not have looked like promising revolutionary material. That they should see themselves as deliverers of Israel was ludicrous. Their grasp of the meaning of Christ’s death and resurrection was still tenuous and their perception of their future confused.
What was going to happen on the political scene? What role would they play? Seated among the young olive trees they asked him: “Do you plan to restore Israel’s sovereignty?” Many eyes were turned on him.
“None of your business” was the effect of his retort. “That’s God the Father’s affair. He currently organizes the political scene. Your job will be to bear witness to me not only here, but in broadening circles throughout the earth” (see Acts 1:4-8).
Chapter 4, On Being a Signpost, of The Fight by John White

These three paragraphs start White’s chapter teaching on what it means to bear witness. This “none of your business” interpretation is of verse 7 where Jesus is quoted, “It is not for you to know times or seasons that the Father has fixed by his own authority.”
As I read this, I was reminded of Jeremiah’s letter to the exiles in Jeremiah 29. The receivers of his message were not unlike those hearing Jesus’ message in Acts 1. They had a lot of questions. In their confusion and reaction they were tempted to believe and pursue just about anything, including doing what made sense for self-preservation without yielding to the all-knowing and all-powerful work of God.
American Christians would do well to listen to Jeremiah and Jesus. Our actions and words too often sound like we’ve got it all figured out, like we haven’t really heard what was said. Too often, the voice of God is hushed by our demands and declarations, in essence telling him how to do his job. Too often, we ignore the truth that it’s none of our business.