Dare to err and to dream. Deep meaning often lies in childish plays.
— Friedrich von Schiller

Age does not make us childish, as some say; it finds us true children.
Johann Wolfgang von Goethe childish quote

Wen I was a child, I spoke as a child, I thought as a child: but when I became a man I put away my childish things. I Corinthians
— Bible

Send forth the child and childish man together, and blush for the pride that libels our own old happy state, and gives its title to an ugly and distorted image.
— Charles Dickens

If it seems a childish thing to do, do it in remembrance that you are a child.
— Frederick Buechner