Б-27

HE ЛЕЗЬ ПОПЕРЁД БАТЬКИ В ПЕКЛО ПРЕЖДЕ ОТЦА (БАТЬКИ) В ПЕТЛЮ НЕ СУЙСЯ (НЕ ЛЕЗЬ) (saying) do not rush to undertake sth. risky or dangerous, let older and more experienced people make a move first: = don't rush ahead of people who know better don't jump the gun.

«Не спеши, — поморщился Коба. - Ты всегда спешишь поперёд батька (sic) в пекло» (Войнович 5). "Not so fast," said Comrade Koba, knitting his brows. "You're always jumping the gun" (5a).