In her book "Angels," Marian Keyes explores the idea that, much like stars that remain hidden during the day, certain truths and hopes are always present in our lives, even when we cannot perceive them. This analogy suggests that challenges may obscure our vision of hope and greatness, yet these possibilities are ever-present just beneath the surface.

The quote emphasizes the importance of maintaining faith during difficult times. It encourages readers to remember that although circumstances may cloud their perspective, the potential for positivity and beauty is always around them. Understanding this can lead one to appreciate life's subtleties and maintain hope despite challenging moments.