想像力會因練習而進步，且與世俗的想法相反，成人的想像力比小孩更強大。“Imagination grows by exercise and, contrary to common belief, is more powerful in the mature than in the young.”

“Imagination grows by exercise and, contrary to common belief, is more powerful in the mature than in the young.”
– Paul McCartney, Musician
「想像力會因練習而進步，且與世俗的想法相反，成人的想像力比小孩更強大。」– 保羅‧麥卡尼 (音樂家)
保羅‧麥卡尼為前「披頭四」成員。