How is “be a picture” used?

In The Mighty (1998), one line is: “Every sentence is a picture.”

Which movie is “be a picture” from?

The clip at the top of this page is from The Mighty (1998).

Every sentence is a picture.

3 作品で登場 · 1 本目

to look very beautiful or special

8 本の映画に登場

定義：Oxford Advanced Learner's Dictionary 第 9 版