With accent marks:
Молча́ние – знак согла́сия.
Silent means consent.
If a person stays silent after a proposal or an accusation, it is considered that he or she agrees.
This phrase has been known since ancient Rome: Silentium videtur confessio.
The proverb is used when a question is not answered, which makes it possible to assume an affirmative answer.
Other Russian proverbs
What you will sow, that you will reap.
One in the field is not a warrior.
Forewarned is forearmed.
You see your friends in the times of trouble.
One head is good, but two ones are better.
The best is the enemy of the good.
Beast runs towards the hunter.
Live for a century, learn for a century, but die being a fool anyway.