It is when we make castles in the air and personate the leading character in our own romances, that we return to the spirit of our first years.
当我们构筑空中楼阁,在自己的传奇里扮演主角时,便重返了生命最初几年的心境。
— Robert Louis Stevenson · Virginibus Puerisque, and Other Papers · Child’s Play —