There is something incomprehensible about gardening. You can do all of the right things—plant the seed at the right time, in the right soil, under the right conditions—and you are still totally dependent on things outside of your control. The weather can make or break your crop for an entire year. Even if it’s a total success, so much of the process happens while you aren’t watching or working on it. In the same way, the kingdom of God is incomprehensible to us: we do the work we’ve been given to do, but we don’t see it taking shape or coming into being.