- She's only six.
- That is not a valid excuse! I hear that every day and I dismiss it.

8 seconds sound clip from the Uncle Buck (1989) movie soundboard.

You can hear this line at 00:57:37 in the Blu-ray version of the movie.

Quote context

[...]

- I've been an educator for 31.3 years, and in that time, I've seen a lot of bad eggs.

- I say eggs because at the elementary level, we are not dealing with fully developed individuals.

- I see a bad egg when I look at your niece.

- She is a twiddler, a dreamer, a silly heart. She is a jabberbox.

- And frankly... I don't think she takes a thing in her life or her career as a student seriously.

- She's only six.

- That is not a valid excuse! I hear that every day and I dismiss it.

- I don't think I want to know a six-year-old who isn't a dreamer, or a silly heart. And I sure don't want to know one who takes their student career seriously.

- I don't have a college degree. I don't even have a job.

- Does anyone have a special story to tell the class about something that happened this week?

- My uncle was microwaving my socks, and the dog threw up on the couch for about an hour.

[...]