Once burned by milk you will blow on cold water.
More Russian Proverbs:
A pessimist is a well-informed optimist.Russian
If you do not strike back at him who hits you, there is no way for him to find out whether you also have hands.
Russian
If you don't have a hundred rubles, make sure you have a hundred friends.
Russian
In a quarrel, leave room for reconciliation.
Russian
The blind cannot see -- the proud will not.
Russian
Hang a German, even if he is a good man.
Russian