You do not swap horses while crossing the ford.
More Russian Proverbs:
A ruler without a nation is like a flower without the sun.Russian
Cry and the whole world cries with you.
Russian
You do not really understand something unless you can explain it to your grandmother.
Russian
If the child does not cry, the mother knows not its wants.
Russian
A good laugh is sunshine in a house.
Russian
A nightingale doesn't feed on songs.
Russian