Mark Rushdoony’s piece, in our current Arise & Build newsletter, offers wisdom.
https://chalcedon.edu/resources/articles/christian-reconstruction-and-our-small-part-in-a-big-idea
For instance, “Addressing our national debt and fiat money is not within our reach as individuals but getting out of debt is. This small step can empower you now.” You may not be able to do the really big things; but doing what you can do is important, too.
Even more succinctly: “Our part of the future is the mess in front of us.” And really, that ought to be a big enough mess for anyone.
Often enough our part in God’s plan seems small and insignificant. But that’s how it seems to us, not Him. Only God sees the whole picture; and His hand is always on the tiller.