He traveled all around the world, and everywhere he went. He'd use his word and all would say there goes a clever gent.

8 seconds sound clip from the Mary Poppins movie soundboard.

You can hear this line at 00:58:07 in the Blu-ray version of the movie.

Quote context

[...]

- But then one day I learned a word that saved me achin' nose, the biggest word you ever heard and this is how it goes.

- Oh, supercalifragilisticexpialidocious, even though the sound of it is something quite atrocious.

- If you say it loud enough you'll always sound precocious. (2)

- Supercalifragilisticexpialidocious. (2)

- Um diddle diddle diddle, um diddle ay Um diddle diddle diddle, um diddle ay. (2)

- He traveled all around the world, and everywhere he went. He'd use his word and all would say there goes a clever gent.

- When dukes and maharajahs passed the time of day with me, I'd say me special word and then they'd ask me out to tea.

- Oh, supercalifragilisticexpialidocious, even though the sound of it is something quite atrocious. (2)

- If you say it loud enough you'll always sound precocious. (3)

- Supercalifragilisticexpialidocious. (3)

[...]