However, in Ferris' case, I can assure you, he is truly a very sick boy.

7 seconds sound clip from the Ferris Bueller's Day Off movie soundboard.

You can hear this line at 00:10:28 in the Blu-ray version of the movie.

Quote context

[...]

- I asked for a car, I got a computer. How's that for being born under a bad sign?

- Grace? Grace!

- Look, I can give you every assurance that Ferris is home, and he is very ill. In fact, I debated whether or not I should even leave him.

- Grace!

- I can appreciate how this time of year children are prone to taking the day off.

- However, in Ferris' case, I can assure you, he is truly a very sick boy.

(FERRIS PLAYING TRUMPET OFF-KEY)

- Never had one lesson.

- In 1930, the Republican-controlled House of Representatives, in an effort to alleviate the effects of the... Anyone? Anyone? The Great Depression, passed the... Anyone? Anyone? The tariff bill...

- The Hawley-Smoot Tariff Act which... Anyone? Raised or lowered? Raised tariffs in an effort to collect more revenue for the federal government.

[...]