Scratch my back and I shall scratch yours

Russian translation

Почеши мне спину и я почешу тебе.
Окажи мне услугу, а я окажу тебе.

Derivation

To scratch one's back.

Synonyms

Roll my log and I will roll yours.
One good turn deserves another.
One hand washes the other.

Comparison

Ты - мне, я тебе.
Услуга за услугу.
Рука руку моет.
Долг платежом красен.

Examples

"You scratch my back, I'll scratch yours," Bombini said. "Something for you, something for me. You lend me your mule, I'll lend you my ox." (Crichton)

Time and the process of modern enlightenment put things right, and misalliance passed muster very well. We are all getting liberal now; and (provided you can scratch me, if I scratch you) what do I care, in or out of Parliament, whether you are a Dustman or Duke? (Collins)

Yet Lewis, like every other author, needs praise, lashings of praise. He hungers and thirsts for it. Because he sees all sorts of other men scratching each other's backs and rolling each other's logs, he shouts in holy horror at the spectacle. However, he is so much concerned with himself that it never occurs to him to hand the same gross flattery to any friend; and so he remains a lonely figure in the little Cafe Royale, Chelsea. (Swinnerton)

Claw me and I'll claw thee, wink at me and I will not see your faults! (Adams)