With accent marks:
Доверя́й, но проверя́й.
Trust but verify.
This proverb is becoming more and more relevant nowadays.
It is good to have trust in people, but you need to know for sure who can be trusted and who can not.
Other Russian proverbs
Оne can not see the wood for the trees.
(lit.) Whoever gets up early, God gives him
Patience and labor will grind everything.
Strike the iron while it's hot.
Measure seven times, cut one.
Make a fool pray to God - he will break his forehead.
The forbidden fruit is sweet.
A wolf is fed by his legs