I seem to remember that was an advertising slogan for washing powder many decades ago. Maybe not, because I couldn’t find it on Wikipedia.
In Luke’s story where the angel (messenger) tells Mary she’s going to get pregnant, the angel makes this assertion;- “For nothing will be impossible with God.” I never noticed the future tense before – so maybe it’s to do with a special moment in history. However, I believe that God created the universe and keeps it going – so strictly speaking, nothing can be impossible for the God who created everything, ever. I don’t think that’s the point though. I also believe that a significant aspect of God’s faithfulness is the reliability of the laws of nature*. On the whole, people have discovered that our lives are constrained (and made wonderful) by those laws. We have to walk our walk with God in this constrained and wonderful world. That is the challenge of faith.
And when you see warring people reconciled, when people in poverty are fed, when the silent voices are heard at last, then those words hit you like a sledgehammer … “For nothing will be impossible with God.”
* Of all the weird and wonderful laws of nature, probably the most slippery is that law of thermodynamics which describes the inevitable increase of entropy. And that’s the only one you have to break for lots of very unexpected things to happen. Suppose a lot of odd circumstances happened to combine one day….