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
Make a fool pray to God - he will break his forehead.
Each sandpiper praises its swamp.
The quieter you go, the further you'll get.
When I eat I am deaf and mute.
They do not seek good from good.
What goes around comes around.
If you like sledding, you should like to carry the sled.
You are greeted by your clothes but bid farewell by your mind.