Всяк сверчок знай свой шесток (Vsyak sverchok znay svoy shestok)

Meaning: Everyone should know their place and stick to it.

Literally: Every cricket, know your own perch

Example: “Не лезь в дела начальства. Всяк сверчок знай свой шесток.” — Don't meddle in management's affairs: every man to his trade.

Equivalents in English, French, Spanish, Japanese, German, and 4 more languages

English: Every man to his trade.
French: À chacun son métier, et les vaches seront bien gardées (literally: To each his trade, and the cows will be well kept)
Spanish: Zapatero, a tus zapatos (literally: Shoemaker, to your shoes)
Japanese: 餅は餅屋 (Mochi wa mochiya) (literally: For rice cakes, go to the rice-cake maker)
German: Schuster, bleib bei deinem Leisten (literally: Cobbler, stick to your last)
Italian: Ognuno faccia il suo mestiere (literally: Let everyone do their own trade)
Portuguese: Cada macaco no seu galho (literally: Every monkey on its own branch)
Dutch: Schoenmaker, blijf bij je leest (literally: Cobbler, stick to your last)
Polish: Pilnuj, szewcze, kopyta (literally: Mind your last, cobbler)