They use a wedge to knock out a wedge.
More Russian Proverbs:
A golden handshake convinces even the most skeptical judge.Russian
There are many fathers, but only one mother.
Russian
Stormy weather cannot stay all the time, the red sun will come out, too.
Russian
God gives to those who wake up early.
Russian
The horse may run quickly, but it can't escape its own tail.
Russian
Who drinks till bottom, lives without mind.
Russian