Old Faithful is one of the most famous geysers in Yellowstone National Park. While its eruptions are predicted on a daily basis (you can even check online to see when the next one is expected), there’s still a little bit of “guesstimation” involved too (Elisabeth Kwan-Hefferan, “About Old Faithful, Yellowstone’s Famous Geyser,” Outside, April 12, 2021, www.yellowstonepark.com/things-to-do/geysers-hot-springs/about-old-faithful/). By contrast, God’s faithfulness is secure and can be counted on.