With accent marks:
Друзья́ познаю́тся в беде́.
You see your friends in the times of trouble.
This proverb is about a true friendship. It often happens in life that people have many friends who only call themselves friends. But should a disaster happen, only a few of them are ready to help.
The closest English equivalent is: "A friend in need is a friend indeed".
Other Russian proverbs
The quieter you go, the further you'll get.
If you are chasing two hares at once, you won’t catch a single one.
Start taking care of the dress while it's new, and of your honor while you are young.
Without labor, you can not even catch a fish in the pond.
We don't appreciate what we have but we cry when we lose it.
What goes around comes around.
Being a guest is good, but being at home is better.
Better to see once than hear a hundred times.