I know this for a fact, because when I was growing up, my mother’s “limited” English limited my perception of her. I was ashamed of her English. I believed that her English reflected the quality of what she had to say. That is, because she expressed them imperfectly her thoughts were imperfect.

Which phrase from this excerpt best helps the reader identify the author’s purpose?
“I know this for a fact”
“my mother’s ‘limited’ English”
“the quality of what she had to say”
“her thoughts were imperfect”