There are mountaintop experiences for some, and thin places for very many. But underlying them—and making them possible—are the faithful moments, the faithful hours, and the faithful days which make up a lifetime of actively seeking to allow God's love to live in us and through us.
What do we call visible light? We call it color. But the electromagnetic spectrum runs to zero in one direction and infinity in the other, so really, children, mathematically, all of light is invisible.