Consider a typical optical illusion like this one:
Suppose someone only sees one picture in this illustration. They are “blind” to the other. Then you “witness” to them: “Look at this, there are two pictures: a girl’s face and a man playing a saxophone. That very witness opens their eyes to both pictures.
It’s only an analogy, because in the spiritual realm the process is not merely mental or natural. It is spiritual and supernatural. But we can get some idea of how it is possible to be spiritually blind and yet God can use a witness to open our eyes.
Les resten av denne fortryllende oppklarende artikkelen fra John Piper (DisiringGod.com)
