Jesus uses a question to teach the people. Alternate translation: "You should not be worried about what you will wear." (See: [[rc://en/ta/man/jit/figs-rquestion]])
Jesus speaks about the lilies as if they were people who wore clothes. The lilies being clothed is a metaphor for the plants having beautiful and colorful flowers. (See: [[rc://en/ta/man/jit/figs-personification]] and [[rc://en/ta/man/jit/figs-metaphor]])