I had somewhere important to go to tonight. This is how I make my living. This was very important to me. This was... My whole year was based on tonight.

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

You can hear this line at 01:12:07 in the Blu-ray version of the movie.

Quote context

[...]

- Tia! Tia! You guys seen Tia?

- She took a breeze, U. B.

- And she promised me she was going to look after you guys this evening.

- She promised me. So much for promises.

- Does anyone in this house know how to keep a promise? I know you two guys do. I know.

- I had somewhere important to go to tonight. This is how I make my living. This was very important to me. This was... My whole year was based on tonight.

- It may be peanuts to your dad, but it's my living.

- I have no choice, I don't care what your parents are going to say. I have to take you with me tonight.

- Where?

- To a racetrack.

- Here we go. You have to go to the bathroom?

- Nope.

- You sure?

- Yep.

- This is going to be fun, you know. Beautiful horses, interesting people.

[...]