English to French Art/Literary Idioms / Maxims / Sayings

- We've come up in the world, haven't we, Artie?
I remember when you were a rookie on the police force. About 15 years ago, isn't it?
- Just about.
- You know what they say in politics, one hand washes the other. I do you a favour, you do me a favour. I did Artie a lot of favours in my time. Had to jump two men with seniority to make him a lieutenant. Two years later, I had him promoted to captain.
- It's a two-way street, Brian. I did you a lot of favours.