It's been on my mind. I had no idea it was hurting my work.

5 seconds sound clip from the Christmas in July (1944) classic radio play.

You can hear this line at 00:12:30 in the radio play.

Quote context

[...]

- Look at this, your morning worksheet.

- The comptometer you operate is almost foolproof. Yet, you managed to miss your total by a little matter of 11000 dollars. To what do you attribute this?

- I don't know, Mr. Waterberry.

- Have you troubles at home then? You play the races? Or are you simply incapable of doing your work?

- Well I, oh I guess it's the contest Mr. Waterberry. The Maxford House contest.

- It's been on my mind. I had no idea it was hurting my work.

- Oh? And how much is the prize?

- The first prize is 25000 dollars.

- Ah yes, I used to think about 25000 dollars. And then one day I realized I would never have 25000 dollars.

- And then suddenly, another day, considerably later on in life, I realized something else: I may not be a rich man, but I'm not a failure either.

- Ambition is alright if it works, but no system could be right where only half of one percent were successes and all the rest were failures.

[...]