- There's magic in the wake of a fiasco.
- Correct!
- It gives you that chance to second guess.
- Oh, yes!

9 seconds sound clip from the Chitty Chitty Bang Bang (1968) movie soundboard.

You can hear this line at 01:36:26 in the Blu-ray version of the movie.

Quote context

[...]

- Grow the roses, those rosy roses. From the ashes of disaster grow the roses of success.

- Yes. I know, but he wants it to float.

- It will!

- For every big mistake you make, be grateful.

- Hear, hear! That mistake you'll never make again. No, sir.

- Every shiny dream that fades and dies generates the steam for two more tries.

- There's magic in the wake of a fiasco.

- Correct!

- It gives you that chance to second guess.

- Oh, yes!

- Then up from the ashes, up from the ashes, grow the roses of success.

- Grow the roses, grow the roses, grow the roses of success.

- Grow the roses, those rosy roses, from the ashes of disaster grow the roses of success.

- Disaster didn't stymie Louis Pasteur.

- No, sir

[...]