With accent marks:
Нет ху́да без добра́.
There is no bad withouth good.
You can always get something useful from any difficult situation.
The closest English equivalent: every cloud has a silver lining.
Other Russian proverbs
Crowded, but not aggrieved.
Start taking care of the dress while it's new, and of your honor while you are young.
Fear has big eyes.
Patience and labor will grind everything.
The beauty of a debt is its payment
Better late than never.
Hurry to much and you will make people laugh.
Water wears away a stone.