(adjective) Located or positioned out of sight; not visually apparent. Example: "hidden treasure; hidden talents"
"The purpose of art is to lay bare the questions that have been hidden by the answers."
"What makes the desert beautiful is that somewhere it hides a well."
"Every hidden cell is throbbing with music and life, every fiber thrilling like harp strings."
"Suffering is a gift. In it is hidden mercy."
"Hidden in the glorious wildness like unmined gold."
"A woman's heart should be so hidden in God that a man has to seek him just to find her."
"There are no words that can tell the hidden spirit of the wilderness, that can reveal its mystery, its melancholy and its charm."