Remembering what Jesus said to St. Faustina about the image when she was sad about it not being as beautiful as it was in person, “Not in the beauty of the color, nor of the brush lies the greatness of this image, but in My grace”. It is the reality behind the image we are adoring by way of venerating the image.
And that reality is the power of God’s Grace given to us by Jesus, through Jesus, and in Jesus. It is not something that has happened but is happening and is continuing to happen.