All cats are grey at night.
More Russian Proverbs:
Neither rhyme nor harmony.Russian
In the times of czar Goroch.
Russian
Death is a giant against whom even the Tsars must draw weapons.
Russian
There was ? there wasn't.
Russian
A good-looking man is pleasant to look at, but it is easier to live with an amusing one.
Russian
Success and rest don't sleep together.
Russian