Luke 2:43

2:43 But when the feast was over, as they were returning home, the boy Jesus stayed behind in Jerusalem. His parents did not know it,

Luke 6:44

6:44 for each tree is known by its own fruit. For figs are not gathered from thorns, nor are grapes picked from brambles.

8:17 For nothing is hidden that will not be revealed, and nothing concealed that will not be made known and brought to light.

12:47 That servant who knew his master’s will but did not get ready or do what his master asked will receive a severe beating.

18:34 But the twelve understood none of these things. This saying was hidden from them, and they did not grasp what Jesus meant.

19:42 saying, “If you had only known on this day, even you, the things that make for peace! But now they are hidden from your eyes.